Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)x11 ? x-7
A. x18
B. 4
C. 
D. x4
Answer: D
You might also like to view...
Solve the problem.Find the number of different three-member committees that could be selected from the group of {Mary, Norman, Paula, Raymond, Sally} given that Sally must be on the committee.
A. 3 B. 6 C. 5 D. 4
For the pair of functions, find the indicated domain.f(x) = x2 - 4, g(x) = 2x + 3Find the domain of f ? g.
A. (-2, 2) B. [2, ?) C. [0, ?) D. (-?, ?)
Solve the problem.Accent Woodworkers knows that their marginal cost of producing x feet of custom molding is given by C'(x) = -0.00003x2 - 0.05x + 90, for x ? 1000,where C'(x) is in cents. Approximate their total cost, in dollars, of manufacturing 1000 feet of molding, using 5 subintervals over 
and the left endpoint of each subinterval.
A. $1028.00 B. $699.88 C. $314.00 D. $628.00
Give the range for the function if the domain is {-2, -1, 0, 1, 2}.y = 
A. 
B. 
C. 
D. 