Find a value of a so that f is continuous at c, or indicate this is impossible.Let f(x) = (sin x)x, x ?0. Extend the definition of f to x = 0 so that the extended function is continuous there.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: A
Mathematics
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Solve.The world record for a marathon, set in 2003, is 2 hours 4 minutes 55 seconds. A marathon is 26.2 miles. What was the runner's average speed in ft/sec? Round to 1 decimal.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Sketch the graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.One number exceeds another by -12. The sum of the numbers is 2. What are the numbers?
A. -6 and 8 B. -5 and 7 C. 5 and 8 D. No solution
Mathematics
Find the volume of the figure. If necessary, use ? ? 3.14 and round as indicated.Round to the nearest hundredth.
A. 819 km3 B. 273 km3 C. 857.22 km3 D. 409.5 km3
Mathematics