Find the exact value of the expression. Do not use a calculator.cos 60° + tan 60°
A. 
B. 2
C. 
D. 
Answer: C
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Solve the problem.Find the center of mass of the solid enclosed between the cone with equation 
and the plane with equation 
if the density at any point is proportional to the distance from that point to the axis of the cone.
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = -3x2 - 6x
A. maximum at 
B. minimum at 
C. minimum at 
D. maximum at 
By graphing the function, visually estimate its domain and range.g(x) = x2 - 7
A. Domain: [7, ?); range: (-?, ?) B. Domain: (-?, ?); range :[-7, ?) C. Domain: [7, ?); range: [7, ?) D. Domain: (-?, ?); range: (-?, ?)
Solve the equation for the specified variable.
= 
for P
A. P = 
B. P = 
C. P = 
D. P = 