Solve the inequality.x2 - 7x ? -12
A. (-?, 3] or [4, ?)
B. (-?, 3]
C. [4, ?)
D. [3, 4]
Answer: A
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State whether the function is linear or quadratic.f(x) = 4x + (1.9)2
A. Linear B. Quadratic
Decide whether the described quantity could accurately be represented by a whole number.The winning time of an auto race in days
A. Yes B. No
Solve the problem.Vicki's car rental company charges $30 per day plus $0.25 per mile to rent a car. Joshua's rental company charges $35 per day plus $0.20 per mile. The total daily cost, y, in dollars, of renting the car if x miles are driven can be modeled by the linear system: y = 0.25x + 30 Vicki's y = 0.20x + 35 Joshua's Use graphing to solve the system. Interpret the coordinates of the solution in practical terms. 
A. {(100, 55)}; Both companies charge $100 for 55 miles driven. B. {(80, 50)}; Both companies charge $50 for 80 miles driven. C. {(100, 60)}; Both companies charge $60 for 100 miles driven. D. {(100, 55)}; Both companies charge $55 for 100 miles driven.
You sell calculators at a base price of $63 each. To encourage volume purchases, you deduct $2 from the base price for each extra calculator purchased. So, if one calculator is purchased you charge $63. If two are purchased you charge $61 for each calculator. If three are purchased, you charge $59 for each calculator, and so on. ? A. What is the total amount you charge a customer who buys 5 calculators? ? B. What is the total amount you charge a customer who buys 6 calculators? ? C. Write a formula that gives the total amount C, in dollars, you charge a customer who buys n calculators.
What will be an ideal response?