Solve the problem.A canoeist who took 6 hours to paddle 6 miles upstream was able to return to his starting spot in 45 minutes. What was the rate of the current?
A. 4 mph
B. 4.5 mph
C. 5 mph
D. 3.5 mph
Answer: D
Mathematics
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Find the derivative at each critical point and determine the local extreme values.y = 
A. 
B. 
C. 
D. 
Mathematics
Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A.
| Absolute minimum only. |
B. Absolute minimum and absolute maximum.
C. No absolute extrema.
D. Absolute maximum only.
Mathematics
Calculate.7 ÷ 0.07
A. 10 B. 0.1 C. 1 D. 100
Mathematics
For the function as defined that is one-to-one, graph f and f-1 on the same axes.f(x) = x3 + 2
A. 
B. 
C. 
D. 
Mathematics