8
QuizMultiple Choice

Unit Test — Unit test

Question 8 • TX-Precalculus A

Which two transformations must be applied to the graph of y = ln(x) to result in the graph of y = –ln(x) + 64?

Answer
A
reflection over the x-axis, plus a vertical translation
B
reflection over the y-axis, plus a vertical translation
C
reflection over the x-axis, plus a horizontal translation
D
reflection over the y-axis, plus a horizontal translation

Explanation

The negative sign in −ln(x) reflects the graph of y = ln(x) across the x-axis. Adding 64 shifts the reflected graph vertically upward by 64 units. Therefore, the transformations are a reflection over the x-axis and a vertical translation.

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