Find the vertex of the parabola.
?
?
A. (2, -6)
B. (-2, 2)
C. (-2, -6)
D. (-2, -4)
E. (8, -6)
Answer: C
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Calculate the Taylor polynomial of second order that approximates f(x, y) near a.f(x, y) = ln (2x + y) + y2, a = (0, 1)
A. 1 + 2x + 3(y - 1) - 2x2 - 2x(y - 1) + 
(y - 1)2
B. 2x + 3(y - 1) - 2x2 - 2x(y - 1) - 
(y - 1)2
C. -2 + 2x + 3(y - 1) - 2x2 - 2x(y - 1) + 
(y - 1)2
D. -1 - 2x - 3(y - 1) + 2x2 - 2x(y - 1) + 
(y - 1)2
Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin2 x + sin x = 0
A. 0, ?, 
B. 0, ?, 
, 
C. 0, ?, 
, 
D. 0, ?, 
, 
Write in logarithmic form.52 = 25
A. log525 = 2 B. log52 = 25 C. log255 = 2 D. log225 = 5
Find the annual double-declining-balance (200% method) rate of depreciation.50 years
A. 4% B. 500% C. 2% D. 1%