Question

What is the effect on the graph of the function f(x) = x when f(x) is replaced with f(− 1/3 x)?

Answer 1

ANSWER:-

• horizontal reflection over y-axis and horizontal compression

EXPLANATION:-

This is because plugging in 10 for x becomes

the - negative indicates the x has changed signs (flipped)

the 3 indicates that there will be a shrink

these shifts are learned by observing graph changes or memorization

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