Find the asymptotes of the hyperbola.6x2 - y2 - 36x + 8y - 112 = 0
A. y - 3 = ± (x - 4)
B. y - 4 = ± (x - 3)
C. y - 4 = ± 6(x - 3)
D. y - 4 = ± (x - 3)
Answer: D
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Solve the problem.The formula P = 14.7e-0.21x gives the average atmospheric pressure, P, in pounds per square inch, at an altitude x, in miles above sea level. Find the average atmospheric pressure for an altitude of 2.3 miles. Round your answer to the nearest tenth.
A. 11.0 lb/in.2 B. 9.1 lb/in.2 C. 8.4 lb/in.2 D. 7.8 lb/in.2
Factor completely. State that the polynomial is prime if it cannot be factored.x2 - 5x - 84
A. (x - 7)(x + 1) B. prime C. (x + 7)(x - 12) D. (x - 7)(x + 12)
Find the inverse, if it exists, for the matrix.
A.
B.
C.
D. The inverse does not exist.
Solve the problem.The decay of 356 mg of an isotope is given by A(t) = 356e-0.019t, where t is time in years. Find the amount left after 89 years.
A. 33 mg B. 64 mg C. 66 mg D. 349 mg