Compared to the graph of f(x)=x2, the graph of g(x) = 2x^2 -5 is

Question

Wider and translated up

wider and translated down

narrower and translated down

narrower and translated up

Answer 1

Narrower and translated down. A coefficient of 2 in front of x^2 means it's a vertical stretch. Imagine taking a rubber band and pulling it's ends further apart. You'll notice the rubberband gets "taller" which also makes it narrower. The -5 at the end is a vertical translation down since the term is negative.

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