Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 3x43y7
B. 
C. 
D. 
Answer: B
Mathematics
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The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Evaluate 
at (u, v) = (5, 3) for the function w(x, y) = xy2 - ln x; x = eu+v, y = uv.
A. -1 B. 675e8 - 1 C. 300e8 - 1 D. 375e8 - 1
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 2x
B. x
C. 2x
D. 2x
Mathematics
Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Mathematics