Graph the inequality.x2 + y2 > 16

A.

B.

C.

D.


Answer: D

Mathematics

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Solve the inequality. Graph the solution set and write it in interval notation.7x ? - 35

A. (-?, 5)

B. [5, ?)

C. [-5, ?)

D. (-?, -5]

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Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of   is needed to keep an  car traveling at 20 mph from skidding on a curve of radius  what force would be required to keep the same car from skidding on a curve of radius 

style="vertical-align: -4.0px;" /> at  Round your answer to the nearest pound of force?

A. 13,582 lb
B. 14,284 lb
C. 13,714 lb
D. 13,746 lb

Mathematics

Expand the expression using the Binomial Theorem.(x + 5)4

A. x4 + 20x3 + 150x2 + 500x + 625 B. x4 + 5x3 + 150x2 + 250x + 625 C. x4 + 20x3 + 150x2 + 20x + 625 D. x4 + 20x3 + 250x2 + 500x + 625

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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 

A. Yes B. No

Mathematics