
Concept explainers
a.
The Equation for the graph obtained by shifting graph of f 3 units upward.
a.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to shift it by 3 units is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To shift the graph of function upward by 3 units.
So, add 3 to the function f(x).
Conclusion:
The equation of graph is
b.
The Equation for the graph obtained by shifting graph of f 3 units downward.
b.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to shift it by 3 units downwards is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To shift the graph of function downward by 3 units.
So, subtract 3 from the function f(x).
Conclusion:
The equation of graph is
c.
The Equation for the graph obtained by shifting graph of f 3 units to the right.
c.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to shift it by 3 units to the right is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To shift the graph of function right by 3 units.
So, subtract 3 from the x in the function f(x).
Conclusion:
The equation of graph is
d.
The Equation for the graph obtained by shifting graph of f 3 units to the left.
d.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to shift it by 3 units to the left is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To shift the graph of function left by 3 units.
So, add 3 to the x in the function f(x).
Conclusion:
The equation of graph is
e.
The Equation for the graph obtained by reflecting the graph in the x- axis.
e.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to reflect it on the x axis is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To reflect the graph on the x axis.
So, take the negative of the graph of f(x).
Conclusion:
The equation of graph is
f.
The Equation for the graph obtained by reflecting the graph in the y- axis.
f.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to reflect it on the y axis is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To reflect the graph on the y axis.
So, take the negative of the x of graph of f(x).
Conclusion:
The equation of graph is
g.
The Equation for the graph obtained by stretching it vertically by a factor of 3.
g.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to stretch it vertically by 3 is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To stretch the graph vertically by factor of 3.
So, multiply the graph of f(x) by 3.
Conclusion:
The equation of graph is
h.
The Equation for the graph obtained by shrinkingit vertically by a factor of
h.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to shrink it vertically by
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To shrink the graph vertically by factor of
So, divide the graph of f(x) by 3.
Conclusion:
The equation of graph is
i.
The Equation for the graph obtained by stretching it horizontally by a factor of 2.
i.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to stretch it horizontally by 2 is given.
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To stretch the graph horizontally by a factor of 2.
So, divide x of the graph of f(x) by 2.
Conclusion:
The equation of graph is
j.
The Equation for the graph obtained by shrinking it horizontally by a factor of
j.

Answer to Problem 7RCC
The Equation of graph is
Explanation of Solution
Given:
The graph of function f is given and to shrink it horizontally by
Concept Used:
The concept of graphs of functions is used.
Calculation:
The function f is given.
To shrink the graph horizontally by a factor of
So, multiply x of the graph of f(x) by 2.
Conclusion:
The equation of graph is
Chapter 2 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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