missilemissile0816 missilemissile0816
  • 13-01-2022
  • Mathematics
contestada

Welp me guy, no link. brainliest if u give me the correct answer.

Welp me guy no link brainliest if u give me the correct answer class=

Respuesta :

imSolly
imSolly imSolly
  • 13-01-2022

Answer:

c(x) = 18

f(x) = 15

g(x) = 30

r(x) = 6

Step-by-step explanation:

x is a placeholder. All these questions are telling you to do is replace x with its numerical value.

c(x) = 2x+4 when x = 7 <-- This is telling you to replace x with 7 in the equation. So, literally...

2(7)+4

14+4

18

c(x) = 18

You do the same for the others.

f(x) = -3x , x = -5

-3(-5) = -15

g(x) = 10x - 10, x = 4

10(4) - 10 = 40 - 10 = 30

r(x) = -6x-6, x = -2

-6(-2) - 6 = 12 - 6 = 6

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