
Concept explainers
a.
Identify the type of function.
a.

Answer to Problem 40PPS
It is a quadratic function.
Explanation of Solution
Given information:
Kenji and Emily launched a toy rocket from ground level as shown in graph.
Calculation:
The shape of the curve in the given graph is parabola, so the function is quadratic.
Hence, it is a quadratic function.
b.
Find the longer stay time in air of rocket.
b.

Answer to Problem 40PPS
Emily’s rocket stayed in air for
Explanation of Solution
Given information:
Kenji and Emily launched a toy rocket from ground level as shown in graph.
Calculation:
According to the graph Emily’s rocket landed after
Hence, Emily’s rocket stayed in air for
c.
Find the maximum height attained by rocket.
c.

Answer to Problem 40PPS
Emily’s rocket attains
Explanation of Solution
Given information:
Kenji and Emily launched a toy rocket from ground level as shown in graph.
Calculation:
According to the graph Emily’s rocket attain maximum height
Attain maximum height
Hence, Emily’s rocket attains
d.
Find the type of transformation between the graphs.
d.

Answer to Problem 40PPS
Dilation Type
Explanation of Solution
Given information:
Kenji and Emily launched a toy rocket from ground level as shown in graph.
Calculation:
According to the graph the transformation is dilation type.
Hence, the transformation is dilation type.
Chapter 2 Solutions
Glencoe Algebra 2 Student Edition C2014
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