#### To determine

**a)To state:** Why is gone-to-one.

#### Explanation

The graph of the function g is one-to-one because there is no horizontal line that intersects the graph more than once. (Horizontal line test)

g is one-to-one.

#### To determine

**b) To find:** The value ofg−1(2)

#### Explanation

We Know that g−1(y)=x⇒y=g(x)

From the below graph we observe that at x=0.25,g(0.25)=2

Therfore g−1(2)=0.25

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**Final statement:** g−1(2)=0.25