Question

For f(x) = 6x + 20, what is the value of x for which f(x)= -4 ?

Answer 1

x = -4

Explanation:

Plug in -4 into the function and solve for x:

f(x) = 6x + 20

-4 = 6x + 20

-24 = 6x

-4 = x

So, the answer is x = -4