Solve the problem.To train for a race, Will begins by jogging 10 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many weeks it takes for him to reach a jogging time of one hour.
A. an = 5 + 5n; 10 weeks
B. an = 5 + 5n; 11 weeks
C. an = 10 + 5n; 11 weeks
D. an = 10 + 5n; 10 weeks
Answer: B
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Two dice are cast. Let the random variable X denote the number that falls bottommost on the first die and let Y denote the number that falls bottommost on the second die. Find the probability distributions of X and Y. Find the probability distribution of X + Y.
Evaluate the integral.
d?
A. 
+ C
B. ln (1 + e5?) + C
C. 5 ln (1 + e5?) + C
D. 
+ C
Solve.The discus is thrown from a circular region 8 feet 5 inches in diameter. What is the area of the circle (in square inches)? Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 4,003.9 sq in. B. 32,031.1 sq in. C. 8,007.8 sq in. D. 317.1 sq in.
Graph the function by hand. Use the graph to (a) find the range, (b) give the interval over which the function is increasing, and (c) give the interval over which the function is decreasing. Round approximations to two decimal places.f(x) = - 
A. (a) [-8, 0] (b) (0, 1.60) ? (-1.60, 0) (c) None B. (a) [0, 8] (b) (-1.60, 0) (c) (0, 1.60) C. (a) [-8, ?] (b) (0, 1.60) (c) (-1.60, 0) D. (a) [-8, 0] (b) (0, 1.60) (c) (-1.60, 0)