Solve the problem.What is the coefficient of x3y10 in the expansion of (x + y)13?
A. 715
B. 2860
C. 286
D. 1
Answer: C
Mathematics
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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
Mathematics
Use the linear approximation (1 + x)k ? 1 + kx, as specified.Find an approximation for the function f(x) = (1 - x)5 for values of x near zero.
A. f(x) ? 1 - 5x B. f(x) ? 5 + 5x C. f(x) ? 1 + 5x D. f(x) ? 1 + 6x
Mathematics
Perform the indicated operation.-52
A. -25 B. 125 C. 25 D. -125
Mathematics
Solve.In a track meet, Ashley runs 600 meters in 82.3 seconds. What was her average speed in meters per second? (Round to the nearest tenth.)
A. 1.4 m/s B. 7.3 m/s C. 0.7 m/s D. 0.1 m/s
Mathematics