Question

30 points! Please help!!

What is the input value for which f(x)=3?

Answer 1

The input value is 3

y=f(x)

The question ask us to find the value of input which is x value when f(x)=3

Answer 2

The input value is -3

Explanation:

In the diagram above, it is given that y = f(x). The question ask us to find the value of input which is x value when f(x) = 3 :

f(x) = 3

y = 3

By looking at the graph,

When y = 3,

x = -3