Question

Use the graph to determine the input values that correspond with f(x) = 1.

Answer 1

`x = -7` and
`x = 2`

Explanation:

Given

See attachment for graph

Required

Find x, for
`f(x)= 1`

From the graph, we have the following readings

`f(x)= 1` when:

`x = 2` and
`x = -7`

Hence, (d) is correct