Without graphing the function, determine its amplitude or period as requested.y = 4 cos xFind the period.
A. 
B. ?
C. 4
D. 2?
Answer: D
Mathematics
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Solve the equation.
x + 
= 
x
A. 16 B. 26 C. -16 D. -26
Mathematics
Make the indicated temperature conversion. Round answers to one decimal place if necessary.Convert 91.6°C to Fahrenheit.
A. 82.9°F B. 196.9°F C. 18.9°F D. 132.9°F
Mathematics
Graph the function using transformations.f(x) = 2 - 
A. 
B. 
C. 
D. 
Mathematics
Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics