Match the graph with its correct equation (m and b are constants).
A. y = b, b < 0
B. x = h, h < 0
C. y = mx + b, m > 0 and b > 0
D. y = b, b > 0
Answer: A
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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.
Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.6x2 + 19x + 10
A. (x + 2)(6x + 5) B. (3x - 2)(2x - 5) C. (3x + 2)(2x + 5) D. (2x + 2)(3x - 5)
Evaluate the integral.
A. 3
B. - 
C. - 1
D. 
Solve the polynomial inequality.x4 - 80x2 + 1024 < 0
A. (-?, -4) ? (4, ?) B. (-8, 8) C. (8, -4) ? (4, -8) D. (-8, -4) ? (4, 8)