Solve the problem.A rectangle that is x feet wide is inscribed in a circle of radius 37 feet. Express the area of the rectangle as a function of x.
A. A(x) = x
B. A(x) = x
C. A(x) = x2
D. A(x) = x(5476 -x2)
Answer: B
Mathematics
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Find the limit.
x-3/ln x
A. e3
B. 
C. -3
D. 
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
A. 2xy B. 2x2y4 C. 2x8y8 D. 2x4y8
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Find 
. Write your answer in standard polar form with the argument in radians.z1 = 40(cos 40° + i sin 40°), z2 = 5(cos 8° + i sin 8°)
A. 35(cos 32° - i sin 32°)
B. 8(cos 48° + i sin 48°)
C. 8(cos 32° + i sin 32°)
D. 35
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Write the fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.4
A. 1.625 B. 2.125 C. 4.625 D. 7.4
Mathematics