Identify the radicand.
A. y - 9
B. 
C. y + 9
D. 
Answer: A
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Solve the problem.Find the foci and asymptotes of the following hyperbola:16x2 - y2 = 16
A. Foci: (4, 0), (-4, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
C. Foci: (0, 
), (0, -
); Asymptotes: y = 4x, y = -4x
D. Foci: (
, 0), (-
, 0); Asymptotes: y = 4x, y = -4x
Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 2 and x = 6 using a right sum with four rectangles of equal width.
A. 62 B. 69 C. 54 D. 86
Solve the polynomial inequality. Express the solution in interval notation.(x + 4)(x - 6) ? 0
A. (-4, 6) B. (-?, -4] ? [6, ?) C. (-?, -4) ? (6, ?) D. [-4, 6]
Use a calculator to find a decimal approximation for the indicated function value. Round your answer to four decimal places.sec 74.4°
A. 3.7186 B. 0.2689 C. 1.8457 D. 1.0382