Michael J. answered 10/29/15
Tutor
5
(5)
Effective High School STEM Tutor & CUNY Math Peer Leader
g(x) = cosx
h(x) = -2cos((x + 1/4)π)
First, g(x) was shifted 1/4 units to the left with a vertical stretch.
Then, g(x) was stretch vertically by a scale factor of 2. We know this because the amplitude went from 1 to 2.
Then, g(x) was reflected about the x-axis.
Luke C.
10/30/15