Simplify.
A. 7
B. 1
C. 
D. 7(a - 3b)
Answer: A
Mathematics
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Solve the problem.Rewrite the integral 
in the order 
.
A. 
B. 
C. 
D. 
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = z(ex)y
A. 
= zyexy; 
= zxexy; 
= zexy
B. 
= zexy; 
= zexy; 
= exy
C. 
= zyexy; 
= zxexy; 
= exy
D. 
= zxexy; 
= zyexy; 
= exy
Mathematics
Find the derivative of the function.h(x) = 
3
A. h'(x) = -3 
2
B. h'(x) = 3 
2
C. h'(x) = 
D. h'(x) = 
2
Mathematics
Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Mathematics