Solve the problem.Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50e-t/300, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth.
A. 4.11 watts
B. 14.32 watts
C. 14.18 watts
D. 15.95 watts
Answer: C
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Find the surface area of the solid.Find the surface area of a right rectangular prism measuring 13.3 cm × 22.1 cm × 23.3 cm. Round to the nearest square centimeter.
A. 2206 cm2 B. 1723 cm2 C. 2238 cm2 D. 1119 cm2
Write the sentence as an equation. Let the variable x represent the number.9 times the difference of a number and 10 yields 27.
A. 9(x + 10) = 27 B. 9(x - 10) = 27 C. 27(10 - x) = 9 D. 9x - 10 = 27
Factor the polynomial completely.64x3y + 112x2y + 40xy
A. 4xy(10x + 2)(x + 5) B. 4xy(4x + 1)(4x + 10) C. 4y(4x + 1)(4x + 10) D. 4xy(4x + 2)(4x + 5)
Suppose that the function with the given graph is not f(x), but f'(x). Find the locations of all extrema, and tell whether each extremum is a relative maximum or minimum.
A. No relative extrema B. Relative maximum at -3; relative minimum at 3 C. Relative minimum at 0 D. Relative maximum at 0