Use the product rule to find the derivative. f(x) = (5x + 6)2
A. f'(x) = 50x + 60
B. f'(x) = 10x + 12
C. f'(x) = 25x + 36
D. f'(x) = 25x + 30
Answer: A
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Solve the problem.A person spent 1.1 h in a car going to an airport, 2.15 h flying in a jet, and 0.29 h in a taxi to reach the final destination. The jet's speed averaged 13.0 times that of the car, which averaged 19.0 mi/h more than a taxi. What was the average speed of each if the trip covered 1267.846 mi?
A. Car: 43.4 mi/h, jet: 564 mi/h, taxi: 62.4 mi/h B. Car: 24.4 mi/h, jet: 564 mi/h, taxi: 43.4 mi/h C. Car: 44 mi/h, jet: 565 mi/h, taxi: 24.4 mi/h D. Car: 43.4 mi/h, jet: 564 mi/h, taxi: 24.4 mi/h
Evaluate the exponential form.142
A. 16 B. 196 C. 392 D. 28
Answer the question.What are two possible LCDs which could be used for the sum 
+ 
?
What will be an ideal response?
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find cos(2?).
A. - 
B. - 
C. 
D. 