Solve using the addition and multiplication principles together.2t + 1 = 6 + 9t
A. 
B. 
C. - 
D. - 
Answer: D
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What is the minimum vertical distance between the parabolas y = 
+4 and y = x ? ?
What will be an ideal response?
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = -2x2 + 7x + 1
A. Minimum: -5
B. Maximum: 
C. Maximum: - 
D. Maximum: 0
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 146 + 0.25x, where x is the number of miles driven. Find the slope of the graph of this function and interpret it as a rate of change.
A. 146; The cost of the rental car decreases by $0.25 for each mile driven. B. 146; The cost of the rental car increases by $146 for each mile driven. C. 0.25; The cost of the rental car increases by $0.25 for each mile driven. D. 0.25; The cost of the rental car decreases by $0.25 for each mile driven.
Determine whether the lines through each pair of points are perpendicular.(-9, -2) and (-15, 18); (-1, 1) and (2, 11)
A. perpendicular B. not perpendicular