Solve the problem.A student gets a part time job selling magazine subscriptions. He is paid $37 for a 5-hour shift. He also earns $7 for each subscription sold. Create a function f(x) for the amount he earns on a shift when he sells x subscriptions. Use the function f(x) to determine how much he earns on a shift that he sells 15 subscriptions.
A. f(x) = 7x + 37; $142
B. f(x) = 37x + 7; $562
C. f(x) = 7x + 185; $290
D. f(x) = 5x + 37; $112
Answer: A
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Write as repeated multiplication.64
A. 6 ? 6 ? 6 ? 6 ? 6 B. 6 ? 6 ? 6 ? 6 C. 4 ? 6 D. 6 + 6 + 6 + 6
Solve the problem.Erin was driving home from college. During the first day of driving, Erin averaged 62 miles per hour. On the second day, she drove at an average speed of 72 miles per hour. If her total driving time for the two days was 18
hours and the distance traveled was 1242 miles, what was Erin's driving time for each day?
A. first day: 10 hr
second day: 8
hr
B. first day: 9
hr
second day: 9 hr
C. first day: 8 hr
second day: 10
hr
D. first day: 9 hr
second day: 9
hr
Determine whether the improper integral is convergent or divergent.
A. Convergent B. Divergent