contestada

Given the function y=f(x) what transformation occurs if:
A) y is replaced with 2y
B) x is replaced with 2x

Respuesta :

tramserran

A) 2y = f(x)    ⇒ y = [tex]\frac{1}{2}[/tex]f(x)   →  This is a vertical shrink by a factor of [tex]\frac{1}{2}[/tex]

B) y = f(2x)   →  This is a horizontal shrink by a factor of [tex]\frac{1}{2}[/tex]

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