Perform the indicated operation. If possible, simplify.Factor:2 cos x + 8 cos2 x
A. 2
B. cos x
C. 2 cos x
D. 2cos x
Answer: C
Mathematics
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Solve the problem using the loan payoff table or an amortization table.
A new fax machine cost Miller Ltd. $2098. They are to pay it off in 18 months at 8% interest. What will each monthly payment be, and how much interest will they pay on the loan?
A. $124.08, $135.44 B. $125.04, $152.72 C. $95.84, $-372.88 D. $94.89, $-389.98
Mathematics
Decide whether the statement is true or false.{6, 8, 10} ? {7, 9, 11} = {6, 8, 10, 7, 9, 11}
A. True B. False
Mathematics
Write a direct variation equation, y = kx, that describes the graph.
A. y = -3x
B. y = - 
x
C. y = 3x
D. y = 
x
Mathematics
Calculate the requested derivative from the given information.Given f(u) = 
and u = g(x) = 4x2 + x + 3, find (f ? g)'(0).
A. 
B. - 
C. 
D. 
Mathematics