Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(5xy)-4/7
A. -(5xy)4/7
B. 
C. (5xy)7/4
D. 
Answer: D
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Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points.
A. bounded;
corner points (6, 0), (0, 6),(0, 4), (4, 0)
B. unbounded;
corner points (0, 0), (0, 4), (4, 0)
C. no solution
D. unbounded;
corner points (6, 0), (0, 6)
Find the product. Assume that all variables represent nonnegative real numbers.
(
- 
)
A. 
- 
B. 3
+ 3
C. 
D. 12
Solve the problem.Suppose that the dollar cost of producing x radios is 
Find the marginal cost when 35 radios are produced.
A. $1955 B. $26 C. -$1955 D. $54
Use the line graph to solve the problem.The line graph represents the gallons of water in a swimming pool after x hours. There is a pump that can either add or remove water from the pool. Find the slope of the line segment from (5, 265) to 
Interpret this slope as a rate of change.
A. m = 0; The pump is neither adding nor removing water.
B. m = - 
; The pump is removing water at a rate of 
gallons per hour.
C. m = - 
; The pump is removing water at a rate of 
gallons per hour.
D. m = 
; The pump is adding water at a rate of 
gallons per hour.