Question

Functions f(x) and g(x) are shown below:


f(x) g(x)
f(x) = 2cos(x) graph of sine function which starts at 0 comma 0 and decreases to the minimum of pi over 2 then increases to the maximum 3 pi over 2 then decreases to 2pi where the cycle repeats
Courtesy of Texas Instruments


Using complete sentences, explain how to find the maximum value for each function and determine which function has the largest maximum y-value.