Choose the one alternative that best completes the statement or answers the question.
Describe how to obtain the graph of the given monomial function from the graph of g(x) = xn with the same power n.
-$$f ( x ) = - 2.8 x ^ { 6 }$$
A) Vertically shrink by a factor of $2.8$, and then reflect across $x$-axis
B) Horizontally stretch by a factor of $2.8$, and then reflect across $y$-axis
C) Vertically stretch by a factor of $2.8$, and then reflect across $y$-axis
D) Vertically stretch by a factor of $2.8$, and then reflect across $x$-axis

Question

Quizplus · Accepted Answer

The coefficient $-2.8$ causes a vertical stretch by a factor of $2.8$ (since $2.8$ is the absolute value of the coefficient) and a reflection across the $x$-axis (since the coefficient is negative).

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