Use the table(s) to evaluate the given expression.
(-13) =
A. -7
B. -9
C. -2
D. -13
Answer: B
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For a satellite orbiting Earth, the time required to complete a single orbit is known as the period. The period P, in hours, is related to the distance D, in miles, from the center of Earth by the formula 
.
As the period increases, so does the distance. What can you say about the rate of increase in distance as period increases? A graph of D versus P can help you answer this question.
?
A. Distance increases at an increasing rate as period increases. B. Distance increases at a decreasing rate as period increases. C. A point of inflection is reached. D. None of the above.
Use a proportion to solve the problem.If a spring stretches 8 meters when a 2-kilogram weight is attached to it, how much will it stretch when a 4-kilogram weight is attached to it?
A. 15 meters B. 19 meters C. 18 meters D. 16 meters
Factor completely. If a polynomial cannot be factored, say it is prime.x2 + x - 42
A. (x - 7)(x + 6) B. (x + 1)(x - 42) C. prime D. (x - 6)(x + 7)
Evaluate the function as indicated.Find f( 8) when f(x) = 
.
A. 
B. 
C. 
D. 