Evaluate.If f(x) = -3x2 - 4x + 5, find f(-6).
A. -84
B. 47
C. -79
D. -107
Answer: C
Mathematics
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Find the indicated derivative.Find y " if y = 5 sin x.
A. y " = 5 sin x B. y " = 25 sin x C. y " = 5 cos x D. y " = - 5 sin x
Mathematics
Subtract.-11 - (-19)
A. -30 B. -11 C. -8 D. 8
Mathematics
Use Cramer's rule to solve the system.5x + 3y = -133x + y = -11
A. {(4, -5)} B. {(-4, -5)} C. {(5, -4)} D. {(-5, 4)}
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 
D. 
Mathematics