Simplify the expression.( sin 2 x + cos 2 x) - ( csc 2 x - cot 2 x)
A. cos 2 x
B. 2
C. 0
D. sin 2 x
Answer: C
Mathematics
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Write the number in decimal notation. ? 4.25 × 105 ?
A. 42,500 B. 4,250,000 C. 425 D. 4,250 E. 425,000
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Specify the domain of the function.f(x) = 
A. x ? 4, x ? -4 B. x > 16 C. x ? 16 D. All real numbers
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Solve the problem.A local bank advertises that it pays interest on savings accounts at the rate of 3% compounded monthly. Find the effective rate. Round answer to two decimal places.
A. 3.44% B. 3.04% C. 36% D. 3.40%
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Graph the polynomial function.P(x) = -3x(x + 2)(x + 1) 
A. 
B. 
C. 
D. 
Mathematics