Use the appropriate sum or difference identity to write the given expression as a function of x alone.cos (x + 2?)
A. -cos x
B. cos x
C. -sin x
D. sin x
Answer: B
Mathematics
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Find the tangential and normal components of the acceleration.r(t) = (t2 - 3)i + ( 2t - 7)j + 6k
A. a = 
T + 
N
B. a = 
T + 
N
C. a = 
T + 
N
D. a = 
T + 
N
Mathematics
Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = (x - 3)5
A. 
B. 
C. 
D. 
Mathematics
Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.(-4p-4q)(4p-6q-5)
A. 
B. 
C. - 
D. - 
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 4x2 + 3x + 4, g(x) = 3x - 6;
Find (g ? f)(x).
A. 12x2 + 9x + 6 B. 12x2 + 9x + 18 C. 4x2 + 3x - 2 D. 4x2 + 9x + 6
Mathematics