Respuesta :

choixongdong

Answer:

A is the answer

vertically stretched by a factor of 2

Step-by-step explanation:

f(x) = √x and f(x) = 2√x

Since |a| = 2 > 1. The line f(x) = 2√x  is vertically stretched by a factor of 2

from f(x) = √x

Answer is A

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