Question

The black graph is the graph of y=f(x). Choose the equation for the red graph

Please help

Answer 1

9514 1404 393

Answer:

b. y = f(x/2)

Explanation:

The transformation ...

y = f(x/k)

represents a horizontal stretch by a factor of k.

Here, the red graph is a horizontal stretch of the black graph by a factor of 2. That is, k=2 in the above transformation.

y = f(x/2) . . . equation of the red graph