Find the derivative of the function by using the definition.y = 11 - 7x2
A. -14x2
B. 11 - 14x
C. -14x
D. 11 - 7x
Answer: C
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 9x + 9y3z2
A. Yes B. No
Mathematics
FInd the tangential and normal components of the acceleration.r(t) = (t2 - 8)i + ( 2t - 5)j + 6k
A. a = 
T + 
N
B. a = 
T + 
N
C. a = 
T + 
N
D. a = 
T + 
N
Mathematics
Find the indicated composite for the pair of functions.Given f(x) = -2x + 5 and g(x) = 4x + 9, find (g ? f)(x).
A. -8x + 29 B. 8x + 29 C. -8x + 23 D. -8x - 11
Mathematics
Solve the problem.The mean clotting time of blood is 7.35 seconds, with a standard deviation of 0.35 seconds. What is the probability that blood clotting time will be less than 7 seconds? Assume the distribution is normal.
A. 15% B. 16% C. 14% D. 84%
Mathematics