Rewrite the expression in the form A sin(x + C).4 sin x - 4 cos x
A. 4 sin 
B. 4
sin 
C. 16 sin 
D. 4 sin 
Answer: B
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (9, 1, -1) for ln 
- exy+z2 = 0.
A. 
B. 
C. 
D. 
Mathematics
Find the least common denominator of the rational expressions.
and 
A. (x - 10)(x - 6) B. 18 C. 18(x - 10)(x - 6) D. x - 6
Mathematics
Solve the problem.The amount E of voltage in an electrical circuit is given by the formula 
Write an equivalent equation by factoring the expression 
A. E = I(R1 + R2) B. E = R2(IR1 + I) C. E = 2I(R1 + R2) D. E = R1(I + IR2)
Mathematics
Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. - 
C. 
D. - 
Mathematics