Question

For the function f(x) = 3x + 3, find x such that f(x) = 18
A. 6
B. 57
C. 5
D. 3

Answer 1

A

Answer 2

thanks

Answer 3

3x+3=18
3x=15
x=5

Answer 4

so c

Answer 5

@imawesome101
C is correct one

Answer 6

Translate f(x) = 3x + 3 to
18 = 3x + 3
Now subtract 3 from both sides
18-3 = 3x +3-3
15 = 3x
Now divide both sides by 3
15/3 = 3x/3
5 = x
Replace x with 5 in the original equation
18 = 3(5) + 3
18 = 15 + 3
18 = 18

x = 5

Answer 7

thanks