
To find:if the given statement is true or false.

Answer to Problem 74E
False
Explanation of Solution
Given:
The statement: “If the graph of the parent function f(x)=x2 is shifted six units to the right, three units up, and reflected in the x -axis, then the point (−2,19) will lie on the graph of the transformation.”
Consider the function f(x)=x2 .
Shifting the function 6 units to the left, the new function is:
g(x)=(x−6)2
Now, shifting the above function 3 units up, the new function is:
h(x)=(x−6)2+3
Lastly reflecting the above function about the x -axis, the new function is:
k(x)=−h(x)=−[(x−6)2+3]=−(x−6)2−3
Now, the objective is to verify if the point (−2,19) lie on the graph of this function or not.
Substitute x=−2 in the function k(x)=−(x−6)2−3 ,
k(−2)=−(−2−6)2−3=−(−8)2−3=−64−3=−67
Clearly, k(−2)≠19
So, the point (−2,19) does not lie on the graph of the transformation.
Conclusion:
The statement is false.
Chapter 1 Solutions
EBK PRECALCULUS W/LIMITS
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