Solve the problem.The cost, in dollars, of a one-day car rental is given by 
where x is the number of miles driven. Find the slope and y-intercept of the equation and explain what each signifies.
A. $0.17 is the cost per day to rent the car and $38 is the cost per mile.
B. $38 is the cost per day to rent the car and $0.17 is the cost per mile.
C. $38 is the cost per day to rent the car and $17 is the extra cost for unlimited miles.
D. $17 is the cost per day to rent the car and $0.38 is the cost per mile.
Answer: B
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Find the best buy and give the unit price.Brand X 4 oz for $0.32Brand Y 6 oz for $0.54
A. Brand Y, $0.9 B. Brand X, $0.8 C. Equal value D. Brand Y, $0.8
Solve.Use the Binomial Theorem to approximate 
to 7 decimal places.
A. 1.0510101 B. 1.050101 C. 1.0550505 D. 1.0550101
The volume of a right cylinder is 624 cubic centimeters. What is the volume of a cylinder with radius one-half the radius of the given cylinder?
What will be an ideal response?
Solve the problem.The width of a rectangle is x - 
feet and its area is 9x3 + 12x2 + 15x - 18 square feet. Write a polynomial that represents the length of the rectangle.
A. 9x2 + 18x - 27 ft B. 9x2 + 6x + 11 ft C. 9x2 + 18x + 27 ft D. 9x2 - 18x + 27 ft