Graph.8x2 + 5y2 - 320 = 0

A.

B.

C.

D.

Answer: A

Mathematics

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Evaluate the integral.x dx

A. x cos-1x +  + C
B. x cos-1x -  + C
C. x cos-1x -  + C
D. x cos-1x - 2 + C

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Factor completely. If unfactorable, indicate that the polynomial is prime.27k4t2 - 75k2t4

A. 3(3k2t + 5kt2)2 B. 3(3k2t + 5kt2)(3k2t - 5kt2) C. 3k2t2(3k - 5t)2 D. 3k2t2(3k + 5t)(3k - 5t)

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Express the percentage as a decimal.4.25%

A. 0.00425 B. 42.5 C. 425.0 D. 0.000425 E. 0.0425

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Mathematics

Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - f(x)  

A.

B.

C.

D.

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Mathematics