Question

For the function, f(x)=1/4x-2, find x if f(x)=-1

Answer 1

-2.25

Explanation:

(1/-4) -2= (1/-4)- 2^4= -9/4= -2.25

Answer 2

f(x) = 1/4x-3

When f(x) = -1,

= 1/4(-1)-3

= -13/4