Solve.If f(x) = 
and g(x) = 
, find (f + g)(-2).
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Find the volume of a sphere with a radius of 3 inches. ?
A.
B.
C.
D.
E.
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Decide whether or not the given equation is an identity.2 cos4 x - 3 cos2 x + 1 = sin2 x(2 cos2 x - 1)
A. Yes B. No
Mathematics
Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.3 tan 
- 
= 0
A. {x|x = 1.57 + 3k?}
B. {x|x = 1.57 + 3k? or x = 1.57 + 3k?}
C. 
D. {x|x = 1.57 + k?}
Mathematics
Simplify the exponential expression.
-2
A. 
B. 
C. 
D. 
Mathematics