Rewrite with positive exponents, and simplify, if possible.
A. 
B. 7xy1/6
C. 
D. 7xy6
Answer: A
Mathematics
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Solve the problem.The population of a particular country was 24 million in 1984; in 1994, it was 34 million. The exponential growth function 
describes the population of this country t years after 1984. Use the fact that 10 years after 1984 the population increased by 10 million to find k to three decimal places.
A. 0.230 B. 0.045 C. 0.670 D. 0.035
Mathematics
Solve the equation for x.y = -5 sin 8x
A. x = 
arcsin 
B. x = 
arcsin 
C. x = 
arcsin 
D. x = 
arcsin 
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."x2 + 8x + 15
A. (x - 5)(x - 3) B. (x + 15)(x - 1) C. (x + 15)(x + 8) D. (x + 5)(x + 3)
Mathematics
Evaluate -x.x = 0
A. Not Defined B. 0 C. 1 D. -10
Mathematics