Factor completely. If the polynomial cannot be factored, say it is prime.x4 - 64
A. (x2 - 8)2
B. (x2 + 8)(x2 - 8)
C. prime
D. (x2 + 8)2
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = tan-1 9x
A. Q(x) = 1 + 9x2
B. Q(x) = 1 - 9x2
C. Q(x) = 9x
D. Q(x) 1 + 
x2
Mathematics
LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.(A ? B)'
A. {r, t, u, v, w, x, z} B. {s, u, w} C. {q, s, t, u, v, w, x, y} D. {t, v, x}
Mathematics
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Mathematics
Find the exact value. Do not use a calculator.tan 0
A. 1
B. 0
C. 
D. undefined
Mathematics