Without graphing the function, determine its amplitude or period as requested.y = 5 cos 
xFind the amplitude.
A. 8?
B. 
C. 
D. 5
Answer: D
Mathematics
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Determine the values of x for which f(x) and g(x) are inverse functions.f(x) = (x - 8)2, g(x) = 
+ 8
A. x ? 8 B. x ? 0 C. x ? 8 D. x ? 0
Mathematics
Evaluate.(0.08)2
A. 0.16 B. 0.0064 C. 0.64 D. 0.04
Mathematics
Simplify.
A. - 
B. 
C. -24
D. 
Mathematics
Add by using the number line.4 + -5
A. 
B. 
C. 9
D. 1
Mathematics