Answer the question.How can the graph of f(x) = -4|x| be obtained from the graph of 
A. Stretch it vertically by multiplying each y-coordinate by -4. Reflect it across the x axis.
B. Stretch it vertically by multiplying each y-coordinate by 4. Reflect it across the y axis.
C. Stretch it vertically by multiplying each y-coordinate by 4. Reflect it across the x axis.
D. Stretch it vertically by multiplying each y-coordinate by -4. Reflect it across the y axis.
Answer: C
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The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local maximum. What are the local maxima?
A. f has a local maximum at x = 0; the local maximum is 3 B. f has a local maximum at x = 3; the local maximum is 3 C. f has a local maximum at x = -3 and 3; the local maximum is 0 D. f has no local maximum
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Convert to an expression with a rational exponent.
A. s-4 B. b-1/3 C. s-6 D. s-3
Simplify.
A. 
B. 
C. 
D. 