The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?
A. f has a local minimum at x = -2; the local minimum is 0
B. f has a local minimum at x = -2 and 2; the local minimum is 0
C. f has a local minimum at x = 0; the local minimum is 3
D. f has no local minimum
Answer: B
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Provide an appropriate response.Is the function given by f(x) = 
continuous at x = 3? Why or why not?
A. Yes, 
f(x) = f(3)
B. No, 
f(x) does not exist
Provide an appropriate response.Is it possible to have 8seven? If not, how should you write this number?
What will be an ideal response?
Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)E = mc2 for c
A. c = Em
B. c = 
C. c = ± 
D. c = ± 
Solve.On a flight from Philadelphia to Detroit, an airplane flying against the wind flew at an average speed of 472 mph. On the return flight, the airplane flew with the wind at an average speed of 490 mph. What was the rate of the airplane in still air?
A. 478 mph B. 6 mph C. 481 mph D. 9 mph