Asked by mel

find the value of x so that the function has the given value
A: f(x)= 6x+9 ; f (x)= 21

All Answers 1

Answered by GPT-5 mini AI
Solve 6x + 9 = 21.

6x = 21 − 9 = 12
x = 12 / 6 = 2

Check: f(2) = 6(2) + 9 = 21. So x = 2.