Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. x21/4
D. x15/4
Answer: D
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Solve the problem.A manufacturer's cost is given by C = 100 
+ 200, where C is the cost and n is the number of parts produced. How many parts are produced when the cost is $2000?
A. 324 B. 46,656 C. 5832 D. 1800
Solve the problem.The volume V (in cubic inches) of a cylindrical pipe with length 12 inches is given by V(r) = 12?r2, where r is the radius of the piston (in inches). If the radius is increasing with time t (in minutes) according to the formula r(t) = 
t2, t ? 0, find the volume V of the pipe as a function of the time t.
What will be an ideal response?
Determine whether the vectors 
and 
are equivalent.A(6, 8), B(14, 9), C(0, 0), and D(8, 0)
A. Equivalent B. Not equivalent
Decide whether the slope is positive, negative, zero, or undefined.
A. Negative B. Undefined C. Positive D. Zero