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Algebra
Question

State whether a vertical stretch or a compression results for each of the following. a) $$f ( x ) = 2 \sin x$$ d) $$f ( x ) = - 4 \sin x$$

b) $$f ( x ) = 0.5 \sin x$$ e) $$f ( x ) = \frac { 1 } { 3 } \sin x$$

c) $$f ( x ) = - \frac { 1 } { 4 } \sin x$$ f) $$f ( x ) = 10 \sin x$$

a  stretch

b  compression

c  compression

d  stretch

e  compression

f  stretch

Solution
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