Solve using the addition principle. Then graph.-10 + 10t + 2 ? 9t - 3
A. t > 10
B. t ? 5
C. t ? 5
D. t < 10
Answer: B
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Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.
A. 
B. 
C. 
D. 
Find the value of k for which the first polynomial is a factor of the second polynomial.x - 2; 10x3 + kx2 - kx - 10
A. k = -10 B. k = 35 C. k = 10 D. k = -35
Find an equation of the line that contains the given point and is perpendicular to the given line.y = 4x - 2, (-2, 2)
A. y = 4x + 
B. y = -4x + 
C. y = 
x + 
D. y = - 
x + 
Solve the problem.A toilet manufacturer has decided to come out with a new and improved toilet. The fixed cost for the production of this new toilet line is $16,600 and the variable costs are $68 per toilet. The company expects to sell the toilets for $158. Formulate a function P(x) for the total profit from the production and sale of x toilets.
A. P(x) = 158x - 16600 B. P(x) = 90x - 16600 C. P(x) = 90x D. P(x) = 90x + 16600