Find the value of (f ? g)' at the given value of x.f(u) = 
- u, u = g(x) = ?x, x = 7
A. 7?
B. -7?
C. 4 - ?
D. -?
Answer: D
Mathematics
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Solve the problem.Calculate the volume of the parallelepiped with edges a = 
, b = 
, and c = 
.
A. 8 B. 4 C. 20 D. 16
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A rubber ball is dropped from a height of 8 m onto a flat surface. Each time the ball hits the surface, it rebounds to 50% of its previous height. Find the total distance the ball travels.
a. 16 b. 24 c. 8 d. 32
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Express the sum using summation notation.
+ 
+ 
+ ... + 
A. 
B. 
C. 
D. 
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Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 
B. 61/10
C. 66
D. 67/10
Mathematics