Question

12) What value of x makes : f(x) = 30

Answer 1

Answer:

f(5) = 30  so x=5

Step-by-step explanation:

We want to find the value of x which makes the y value of the function 30

Looking at the graph x=5 makes y=30

Answer 2

f ( 5 ) = 30

So the last option is the correct one .