Solve the problem.Find the rate of change. Use appropriate units.
Minutes Cellular Phone is Used
A. $0.08 per minute
B. $0.86 per minute
C. $12.00 per minute
D. $1.83 per minute
Answer: A
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Determine the value of the variable so that the equality is a proportion.
= 
A. 7.5 B. 0.2 C. 47.1 D. 4.8
Solve the polynomial inequality. Express the solution using interval notation.x3 + 5x2 > x + 5
A. (-?, - 5) ? (-1, 1) B. (- 5, -1) ? (1, ?) C. (-1, 1) ? (5, ?) D. (-?, - 1) ? (1, 5)
Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers J and K. What is the cost of 100 batches of each candy using ingredients from supplier J?
A. $6000 B. $12,000 C. $15,200 D. $15,000
Find the points of inflection.f(x) = 10x3 - 3x5
A. (-1, -7), (1, 7)
B. (0, 0), (-1, -7), (1, 7)
C. (0, 0)
D. (0, 0), (-
, -8
), (
, 8
)