Identify the equation as either an identity or not.2 sin 5x cos x = sin 6x + sin 4x
A. Not an identity
B. Identity
Answer: B
Mathematics
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State the domain of the rational function.f(x) = 
A. (-?, ?) B. (-?, 6) ? (6, ?) C. (-?, -4) ? (-4, 6) ? (6, ?) D. (-?, -6) ? (-6, 4) ? (4, ?)
Mathematics
Find the indicated number of terms of the Maclaurin polynomial for f(x) and use it to approximate the function value.f(x) = (1 + 3x)5; f(0.1); 4 terms
A. 3.7105 B. 3.67 C. 3.71293 D. 3.4
Mathematics
Solve the problem.Determine the effective annual yield for $1 invested for 1 year at 2.5% compounded quarterly.
A. -7.48% B. 2.52% C. 12.52% D. 1.25%
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics