Select all the correct answers. maya and her friends are planning a car wash event. maya creates a function c(x) to model the group's costs for washing x cars and a function r(x) to model the revenue the group will make from washing x cars. the net profit the group will earn is represented by the function p(x) = -60 + 4.5x, which is equal to r(x) - c(x). select the two functions that could represent the cost and revenue for the car wash. a. r(x) = 10x b. r(x) = 7x c. c(x) = 11.5x - 60 d. c(x) = 4.5x + 60 e. r(x) = 8x f. c(x) = 3.5x + 60

A and D are the correct answers

i would say b) is your answer

sorry if im wrong

step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct