Find the indicated vector.Let u = 
. Find -5u.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the requested operation on the given function.f(x) = 2x - 6, g(x) = 9x - 3Find (g - f)(x).
A. 7x + 3 B. -7x - 9 C. 7x - 9 D. -7x - 3
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.- 
A. - 
B. - 
C. - 
D. - 
Mathematics
How many critical points does the function have?
?
?
A. three B. two C. four D. one E. none
Mathematics
Use the graph to find the average rate of change.The Height of Sand in an Hourglass 
Time (seconds)
A. 1.3 mm/sec B. 0.85 mm/sec C. 0.75 mm/sec D. 1 mm/sec
Mathematics