Solve the problem.Find a polynomial for the perimeter of the rectangle.

A. (x2 + 3x + 23) units
B. (2x2 + 6x + 46) units
C. (2x2 + 6x + 23) units
D. (2x2 + 10x + 46) units


Answer: B

Mathematics

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Use a calculator to find the approximate value of the composition. Round your answer to four decimal places. The expression may be undefined.sec (arctan (4.839))

A. 0.4999 B. 0.2024 C. 4.9412 D. 1.0000

Mathematics

Divide. If the division is not possible, write "undefined."

A. 0 B. 5 C. Undefined D. 1

Mathematics

Solve the problem.Let y1 equal the left side and let y2 equal the ride side of the given equation. Graph y1 and y2 and use the graph to solve the equation x - 3 = -2.

A.

x = -1
B.

x = 1
C.

x = 1
D.

x = 5

Mathematics

Solve the problem.Pollution levels for a certain city are given by  where t is in years. Find P when  years. Round your answer to the nearest tenth.

A. 27.2 B. 25.1 C. 151.6 D. 37.2

Mathematics