Write a chain rule formula for the following derivative.
for u = f(v); v = h(s, t)
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
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Use the definition to find an expression for the instantaneous acceleration of an object moving with rectilinear motion according to the given function. The instantaneous acceleration is defined as the instantaneous rate of change of the velocity with respect to time. s = 2t3 - 5t2 + 8[s is the displacement. Find v, then find a]
A. 10t - 8 B. 12t - 10 C. 10t - 12 D. 8t - 10
Simplify.
A. 5k2 B. -5k2 C. 125k2 D. 5k9
Find the sign of the following.sec (-?), given that ? is in the interval (180°, 270°).
A. negative B. positive
Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal places.
2
A. 4.3412 + 24.6202i B. 8.5505 - 23.4923i C. -23.4923 + 8.5505i D. -4.6985 + 1.7101i