Question

Find the value of f (8).
y = f(x)

Answer 1

f(8) = 9

Explanation:

f(8) means what is the value of y when x = 8

locate x = 8 on the x- axis, go vertically up to meet the line at (8, 9 )

when x = 8 then y = 9 , so

f(8) = 9