Question

For the function f(x)=1/4 x+4, find the value of x for which f(x) = x.

Answer 1

Explanation:

if it is f(x)=1/4(x+4)

then 1/4(x+4)=x

x+4=4x

3x=4

x=4/3

if it is f(x)=1/4 x+4

then 1/4 x+4=x

x+16=4x

3x=16

x=16/3