2-8
Examine the function h(x) defined at right. Then estimate the values Below.

We are given graph of the function.
Let us do given parts one by one.
a) h(1).
Here, we need to find the value of function (y-coordinate) for x=1.
From the given graph, we can see the for x=1 value of y is 2.
Therefore, h(1)=2.
b) h(3).
Here, we need to find the value of function (y-coordinate) for x=3.
From the given graph, we can see the for x=3 value of y is -4.
Therefore, h(3)=-4.
c) x when h(x) =0.
Here, we need to find the value of x-coordinate for y=0.
From the given graph, we can see the for y=0 value of x is also 0.
Therefore, x=0 when h(x)=0.
d) h(-1).
Here, we need to find the value of function (y-coordinate) for x=-1.
From the given graph, we can see the for x=-1 value of y is -2.
Therefore, h(-1)=-2.
e) h(-4).
Here, we need to find the value of function (y-coordinate) for x=-4.
From the given graph, we can see the for x=-4 value of y is 13.
Therefore, h(-4)=13.