Express using positive exponents. Then simplify.
A. 
B. mx
C. x-m
D. xm
Answer: D
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Find 
.y = (ln x)ln x
A. 
(ln x)ln x
B. ln x ln (ln x)
C. 
D. 
Use the two steps for solving a linear programming problem to solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 28 units of vitamin A, at least 7 units of vitamin B, and at least 20 units of vitamin C. The red vitamin pills cost 
each and contain 6 units of A, 1 unit of B, and 2 units of C. The blue vitamin pills cost 
each and contain 4 units of A, 1 unit of B, and 5 units of C. How many pills should the patient take each day to minimize costs?
A. 5 red and 2 blue B. 7 red and 0 blue C. 2 red and 5 blue D. 6 red and 1 blue
Find the mode or modes.20, 23, 46, 23, 49, 23, 49
A. 46 B. 33.3 C. 49 D. 23
?Sketch the graph of the function 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
