Convert the rectangular equation to polar form. Assume a > 0, r > 1.
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A. 
B. 
C. 
D. 
E. 
Answer: A
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (cosh t)i + (sinh t)j + tk; rectifying plane at t = 0.
A. x - y = -1 B. x - y = 1 C. x = 1 D. x = -1
Find fx, fy, and fz.f(x, y, z) = e(yz + sin x)
A. fx = (cos x)e(yz + sin x); fy = e(yz + sin x); fz = e(yz + sin x) B. fx = (cos x)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) C. fx = e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) D. fx = (cos x + yz)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x)
Find the ordered pair for the vertex.f(x) = 
(x + 17)2 + 6
A. (6, 0) B. (-17, 17) C. (0, 6) D. (-17, 6)
Solve the problem.Find the amount of money in an account after 5 years if $2800 is deposited at 7% annual interest compounded monthly.
A. $3949.68 B. $3961.38 C. $3969.35 D. $3927.14