A ball is tossed upward and then falls to the ground. Its height after t seconds is given by the function 
. During the period the rock is falling, what can be said about 
?
?
A. is positive.
B. is negative.
C. is zero.
D. None of the above
Answer: B
Mathematics
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Find the derivative of the function at the given point in the direction of A.
A = 3i - 4j
A. - 
B. - 
C. - 
D. - 
Mathematics
Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Find and simplify the difference quotient 
for the given function.f(x) = 8x - 3
A. 0
B. 8 + 
C. 8
D. 8 + 
Mathematics
Plot the point.(4, -1)
A. 
B. 
C. 
D. 
Mathematics