For the pair of functions, find the indicated domain.f(x) = x2 - 25, g(x) = 2x + 3Find the domain of f ? g.
A. [0, ?)
B. [5, ?)
C. (-?, ?)
D. (-5, 5)
Answer: C
Mathematics
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Find the surface area of the surface S.S is the cap cut from the sphere x2 + y2 + z2 = 9 by the cone z = 5
.
A. 9
?
B. 9
C. 18
?
D. 9
?
Mathematics
Write a chain rule formula for the following derivative.
for w = f(p, q); p = g(x, y), q = h(x, y)
A. 
= 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Mathematics
Choose the graph that matches the given function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Mel plans to fence his yard for his new puppy. The yard is a 47 ft by 85 ft rectangle. Fencing costs $12 per 10 ft section. What is the cost of the fence not including unused fencing?
A. $158.40 B. $112.80 C. $633.60 D. $316.80
Mathematics