Find the value of x so that the function has the given value. f(x) = 6x + 9; f(x) = 21

Question

asked Jul 9, 2022 52.2k views

2 Answers

Wilmol · Answer 1 · 2022-07-14T01:33:55+0000

Answer:

x = 2

Explanation:

We need to find the value of x so that the value of given function becomes 21 .

We have ,

$f(x)=21\\\\ f(x)= 6x + 9$

Now , for finding x ,

$6x +9 = 21 \\\\ 6x = 21 -9 \\\\ 6x = 12 \\\\ x = 2$