Solve and graph the inequality. Give answer in interval notation.0 < -3x ? 12  

A. [-4, 0]

B. [-4, 0)

C. (0, 4]

D. [0, 4)


Answer: B

Mathematics

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Solve the problem.Allied Radio is a company which makes clock radios. The following table gives the profit, y, in dollars that this company made during the three stated years, x.This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the profit that Allied Radio made in the year 1993. Round your answer to the nearest hundred dollars.

A. $394,400 B. $393,900 C. $294,600 D. $394,200

Mathematics

Solve the equation.Solve for t: e-0.07t = 0.05 Round your answer to four decimal places.

A. 42.7962 B. -66.4815 C. 44.321 D. -70.1312

Mathematics

Find the value of k that makes f(x) = 3e-kx a probability density function on the interval Enter just an integer.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Approximate the number using a calculator. Round your answer to three decimal places.4-2.9

A. 0.018 B. 0.318 C. 70.728 D. -11.600

Mathematics