Solve.Find an equivalent expression for sin 4x in terms of function values of x.
A. 8 sin x cos3 x - 4 sin x cos x
B. 8 sin x - 4 sin x cos x
C. 8 cos4 x - 2 sin x cos x
D. 8 sin x cos3 x - 4 sin3 x cos x
Answer: A
Mathematics
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over the tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 
C. 
D. 
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Use any method to evaluate the integral.
dx
A. csc x + C B. -sec x + C C. sec x + C D. -csc x + C
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Solve the equation. Use the addition axiom.-1 = b - 7
A. {8} B. {-6} C. {6} D. {-8}
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Evaluate the function as indicated.Find f(x3) when f(x) = x2 - 4x - 6.
A. x2 - 4x3 - 6 B. x5 - 4x3 - 6 C. x6 - 4x3 - 6 D. x6 - 4x - 6
Mathematics