Question — act-dog

Mathematics Q28

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Question 28 as printed in the ACT Practice Test 2 booklet — As printed in the official booklet.

Let the function f be defined as f (x) = −9 x . In the standard (x,y) coordinate plane, the graph of y = f (x) undergoes a transformation such that the result is the graph of y = f (x) − 4 . Under this transformation the graph of y = f (x) is:

F
shifted downward 4 coordinate units.
G
shifted left 4 coordinate units.
H
stretched horizontally by a factor of 4 .
J
stretched vertically by a factor of 4 .

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