Write an equation (in function notation) to model this situation: In order to become a member of a new gym, it costs an initial fee of $85 plus a monthly fee of $40.

Group of answer choices

f(x) = 40x + 85

f(x) = 40x - 85

f(x) = 85x + 40

f(x) = 85x - 40

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?