Solve the problem.Linda needs to have her car towed. Little Town Auto charges a flat fee of $75 plus 
per mile towed. Write a function expressing Linda's towing cost, c, in terms of miles towed, x. Find the cost of having a car towed 3 miles.
A. c(x) = 3x; $78
B. c(x) = 3x + 75; $84
C. c(x) = 3x; $9
D. c(x) = 3x + 75; $74
Answer: B
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Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the width of the pool. Estimate the volume of water in the pool using the Parabolic Rule.
A. 7700 ft3 B. 10,200 ft3 C. 5800 ft3 D. 8700 ft3
Solve the problem.Find the equation of the tangent line to the curve x2 + y2 = 113, at the point 
A. 8x + 7y = 113 B. 7x - 8y = 15 C. 7x + 8y = 113 D. 8x - 7y = 113
Describe the graph of the polar equation. 8r cos ? + r sin ? = 5
A. Vertical line passing through (8, 0) B. Parabola with vertex (8, 5) opening upward C. Line with slope -8 and y-intercept (0, 5) D. Line with slope 5 and y-intercept (0, 8)
Graph the function.y = 2 sec|x| 
A. 
B. 
C. 
D. 