Solve the inequality. Use algebra to solve the corresponding equation.x2 + 2x ? 8

A. (-?, -4]
B. (-?, -4] ? [2, ?)
C. [-4, 2]
D. [2, ?)


Answer: B

Mathematics

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Solve the problem.Given that the polar equation r =  models the orbits of the planets about the sun, estimate the closest possible approach of a planet for which  and  to a planet for which  and 

A. 64 astronomical units B. 0 astronomical units C. 26 astronomical units D. 10 astronomical units

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Use the intermediate value theorem to approximate the one real zero on the given interval. Round your answer to two decimal places.f(x) = x3 - 8x - 3; [-3, -2]

A. -0.38 B. -2.62 C. 0.38 D. 2.62

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Rewrite as the sum of two or more logarithms using the product rule for logarithms. Assume all variables represent positive real numbers.log6(7x)

A. log6 7 + log6 x B. log3 7 + log3 x C. log6 7 - log6 x D. log3 7 - log3 x

Mathematics