Find the vertex, the focus, and the directrix of the parabola.(y - 4)2 = 16(x - 1)
A. V: (4, 1); F: (8, 1); D: x = 0
B. V: (1, 4); F: (-3, 4); D: x = 5
C. V: (-1, -4); F: (3, -4); D: x = -5
D. V: (1, 4); F: (5, 4) ; D: x = -3
Answer: D
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Use reduction formulas to evaluate the integral.
A. 
(sin8 x - sin10 x) + C
B. 
sin8 x - 
sin10 x + C
C. 
sin6 x - 
cos10 x + C
D. 
cos6 x - 
cos8 x + C
Provide an appropriate response.A triangle has a base of 
and a height of 
. What is the best estimate for its area?
A. 1155 B. 70 C. 82.5 D. 75
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3 (odd), -
(even), 2 (odd)
B. -3 (odd), -
(odd), 2 (even)
C. -3 (even), -
(even), 2 (odd)
D. -3 (even), -
(odd), 2 (even)
Solve the system of equations by the substitution method.
A. (-6, 5) B. (6, 4) C. (5, 5) D. no solution