Rewrite with positive exponents, and simplify, if possible.
A. 7xy1/5
B. 
C. 
D. 7xy5
Answer: C
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The life expectancy E, in solar lifetimes, of certain stars depends on their mass M, in solar masses. The relationship is
.
As mass increases, life expectancy decreases. What can you say about the rate of decrease? A graph of E versus M can help you answer this question.
?
A. Life expectancy decreases at a decreasing rate. B. Life expectancy decreases at an increasing rate. C. Life expectancy reaches a point of inflection. D. None of the above.
Write in logarithmic form.42 = 16
A. 2 = log 16 4 B. 16 = log 4 2 C. 2 = log 4 16 D. 4 = log 2 16
Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.5x - 15y = 0
A. x: 0; y: 0
B. x: 0; y: 0
C. x: 0; y: 0
D. x: 0; y: 0
Solve the problem.Which of the two rates would yield the larger amount in 1 year: 5.5% compounded quarterly or 5.4% compounded monthly?
A. 5.4% compounded monthly B. 5.5% compounded quarterly C. They will yield the same amount.