SOLUTION: Consider the graph of the cosine function shown below. y= 4cos(2x) a. Find the period and amplitude of the cosine function. b. At what values of for do the maximum value(s),

Algebra ->  Graphs -> SOLUTION: Consider the graph of the cosine function shown below. y= 4cos(2x) a. Find the period and amplitude of the cosine function. b. At what values of for do the maximum value(s),       Log On


   



Question 981767: Consider the graph of the cosine function shown below.
y= 4cos(2x)
a. Find the period and amplitude of the cosine function.
b. At what values of for do the maximum value(s), minimum values(s), and zeros occur?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a) Period is %282pi%29%2F2=pi
Amplitude is 4
b) Max value at x=0%2B2pi%2Ak
Min value for x=pi%2F2+%2B+2pi%2Ak
Zeros at x=pi%2F4+%2B+2pi%2Ak and x=%283%2F4%29pi%2B2pi%2Ak
for all integers k.
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