Solve the problem.Chris rode his bike at an average speed of 17.9 miles per hour for 4 hours. How far did he cycle? Use the distance formula 
A. 17.9 mi
B. 4.5 mi
C. 89.5 mi
D. 71.6 mi
Answer: D
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Find the ordered triple that belongs to the set.{x, 2x - 8, x - 4|x = 2}
A. (2, -4, -2) B. (-2, 2, -4) C. (-2, -4, 2) D. (2, -2, -4)
For the given regular polygon, find the measure of one angle.
A. 108° B. 540° C. 120° D. 60°
For the given polar equation, write an equivalent rectangular equation. r = 32 sin ?
A. x2 + (y - 32)2 = 256 B. x2 + (y - 16)2 = 256 C. (x - 16)2 + y2 = 256 D. y = 32
Solve the problem.The figure shows the cost of renting a car, f(x), as a function of distance driven, x, in miles, for distances not exceeding 70 miles. 
(i) Find
f(x).(ii) Find
f(x).(iii) What can you conclude about
f(x)? How is this shown by the
graph?(iv) What aspect of costs of renting a car causes the graph to jump vertically by the same amount at its discontinuities? What will be an ideal response?