Concept explainers
a.
To write an equation representing the speed as a function of time.
a.
Answer to Problem 29PPS
The required function is
Explanation of Solution
Given information:
The given statement is:
“The distance from the pitcher’s mound to home plate is
The speed of the pitch is
The equation representing the speed as a function of time.
Hence, the required function is
b.
To graph the function.
b.
Explanation of Solution
Given information:
The given function is:
Graph:
This represents a transformation of the graph of
The graph of the function is:
Interpretation:
The domain of the graph is all real numbers not equal to
c.
To find the speed.
c.
Answer to Problem 29PPS
The speed of the two-seam fastball is
Explanation of Solution
Given information:
The given statement is:
“If a two-seam fastball reaches the plate in
The function is
Calculation:
The speed can be calculated by:
Hence, the speed of the two-seam fastball is
Chapter 8 Solutions
Glencoe Algebra 2 Student Edition C2014
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