Evaluate f(12) when f(x)=7x-9

Q: A student started out poorly on his first mathematics test. However, he doubted his score on each of…

A: Let's find student's average test grade.

Q: Determine whether the following statement is true or false: If both matrices A of the size 2 x 2 and…

A: To determine whether the following statement is true or false.If both matrices A of the size 2×2 and…

Q: Cab Fare 20 15 10 y 5 10 Distance (miles) 15 20 X

A:

Q: X 1 2 3 4 y -1 0 1 2

A:

Q: Write the negation of the statement. No fish swim in the ocean.

A: Negation of the statement no p is q is given by, Every p is not q.

Q: Vector v expressed in basis a = B = 3 {[2] [3]} Answer: = {[b]. [G]} is v VB = 13:8 Wα = is v = .…

A: see below the answer and calculation

Q: If Rita receives $63.90 interest for a deposit earning 6% simple interest for 150 days, what is the…

A: Recall: Simple interest SI=PRT Where, P=The amount of deposit, R= interest rate, T= Time in years

Q: 4. Find the cubic polynomial whose graph passes through the points (-1,-1), (0, 1), (1, 3), (4,−1).

A:

Q: Evaluate the expression. 6 Σ ( 115 – 6k ) k = 2 A B 352 109 455 D 91 E 564

A: Given: ∑k=26115-6k We know that ∑a+b=∑a+∑b

Q: The graph of an equation is given to the right. List the intercepts of the graph. ... The intercepts…

A: Topic- intercepts of a the graph. x-intercept = A point where graph cuts x axis. y-intercept=  A…

Q: Let X and Y be sets with A,B ⊆ X. If f : X →Y is a function, prove that f(A∪B) =f(A)∪f(B)

A: I am going to solve the problem by using some simple algebra to get the required result of the given…

Q: the next number/figure. Given Pattern Answer

A:

Q: A desk is 45 inches wide. What is the width in yards? Write your answer as a whole number or a mixed…

A: Given that wide of desk =45 inchesTo find: width of disk in yard.Solution :36 in=1yd1 in=136 yd

Q: Find the domain of the function. f(x)=8x+1 ‒‒‒ Select the correct choice below and, if necessary,…

A: Topic = Functions Correct option = B

Q: Given the function P(x)= = (x − 2)(x + 6) (x − 4): the coordinates of its P-intercept are the…

A: For p intercept put x=0 For x intercept pot p(x)=0

Q: please do 7.2

A: Concept: A group that can be produced by a single element X is called a cyclic group (the group…

Q: Find all real numbers k such that the system of linear equations has infinitely many solutions.…

A:

Q: [24 -2 8 1 2 -3 0 Which of the 40 1 -1 following is the reduced row echelon form of A? Let A Select…

A: Given :   A= 2 4 -281 2-304 0 1-1 To Find:  Row reduced echelon form of A

Q: Maria, Chang, and David served a total of  90  orders Monday at the school cafeteria. David served…

A: We solve the given problem by using the linear equations. The answer is in step 2.

Q: Rewrite the equation in Ax+By=C form. Use integers for A, B, and C. -x-5 x - 4y = 20 0=0 X 5

A: Given query is to write the equation of the line in standard form.

Q: fnd the LCM of the given expressions (²-4-6) and (√²-74-12)

A:

Q: The function f(x)=2x has been shifted 3 units left and 1 unit down. What is the range of the…

A:

Q: Suppose that you have a combination lock that uses letters instead of numbers for its combination,…

A:

Q: Joe stood on the middle rung of a ladder. He climbed up the remaining 6 rungs to the top of the…

A:

Q: Set up the initial tableau for the following problem: Maximize z = 4x₁ + 7x₂ + 9x3 + 3x4, subject to…

A: We have to set up the initial tableau.

Q: with its digits reversed. What is the origina 27. Evelyn invested $8400 in a CD and $9600 in a money…

A: You know that that investment made in CD=$8400 Investment made in money market =$9600 Total interest…

Q: escribe the long run behavior of f(t) = (t + 3)³(t - 2)³(t-3) ³: - st→∞, f(t)→ ?

A: Given query is to find the end behaviour of the polynomial.

Q: a b c [#] e f Lg h i If det(A) = 3, compute the determinant of B. Let A = d B= -2 02 O-3 03 h i g 2a…

A: Topic:- application of matrix algebra

Q: 6 -5 -4 -3 8- t- 9-9-₂ 3 4 5 6 ԱՐԱՐՔ Փ 3

A: From the given relation we have to find domain and range .

Q: Use Homogenous Equation method to solve the first order differential equation below dy x² + y² dx xy

A:

Q: If V is the volume of the solid obtained by rotating the region under the curve y cos(x) from x-0 to…

A:

Q: What function scenarios include zero and a continuous set of rational numbers in the domain? Select…

A: Let's say at any time 't' the amount in the account is A. The rate of interest = r (which is…

Q: 18. A number x is 32% of a number y. If y is 20% of z, what is z in terms of x? A B C D 0.064x 0.64x…

A: Given query is to find z in terms of x.

Q: 11.(Bonus) You receive a 10% decrease in your pay. What percentage increase in pay would you have to…

A:

Q: 7x+y=2 -6 -4 -₂ + q 2 6 x X X

A: As we know that; The intercept form of the equation of the line: xa+yb=1 Where, x-intercept:…

Q: f(x)=2x2+6x Find the solutions to each quadratic equation.

A:

Q: Let m and n be integers. Two integers m and n are said to be consecutive if |m−n| = 1. Consider the…

A: Consider the statement: If m + n is not odd then m and n are not consecutive integers.      (2.1)…

Q: 2 x 2 matrix M satisfies the following conditions: Determine M [1]. M[1] = 7 M[7] = [2] 1 M[4] -…

A: We need to find matrix value.

Q: For questions 24-27, use the graph below. fix) 24. Find f(-1). (25) Find f(4). 26. Find f(-3). 27)…

A: According to the given graph of f(x)

Q: What is the greatest common factor for 3x2y+6x4y3−12xy3x2y+6x4y3−12xy?

A: Given query is to find greatest common factor.

Q: Determine x and y in terms of b₁ and b2 if x+2y=b₁ - 2 x − 3 y=b₂. and y= The result is x = In this…

A: given data x + 2y = b1 -2x -3y = b2 we have to find the value of x and y . this is the question of…

Q: f(x)=2x2-8  Find the solutions of each quadratic equation.

A:

Q: pute the total and annual returns on the described investment. years after buying 50 shares of XYZ…

A: We will find the required.

Q: Let be a system of linear equations. Then, can be a solution of the system. Select one: O True O…

A:

Q: The graph of an equation is given to the right. List the intercepts of the graph. The intercepts of…

A: X intercept of a function is given by a point where function cuts the x axis. Y intercept of a…

Q: 6 7 8 9 10 11 12 13 14 15 16 17 18 19 weekday daily minutes spent eating breakfast Based on the…

A: A five number summary in a box plot is, Minimum value, First quartile, Median, Third quartile,…

Q: The graph of an equation is given to the right. List the tercepts of the graph. *** The intercepts…

A: Given query is to find the x and y intercept from the graph.

Q: 5 Shown above is the graph of two functions Both are defined for z > 0. a) The red line shows the…

A: Let's solve given function (graph) problem.

Q: Two variable quantities A and B are found to be related by the equation given below. What is the…

A: Two variable quantities A and B are found to be related by the equation given below. To determine…

Q: 13. Find the domain and range of the table. (17) (18) X -2 -1 0 1 2 y -7 -4 -1 2 5 14. Find the…

A: Q13)  domain={set of all x values ) range ={ set of all y values} so  domain={-2,-1,0,1,2}…