Solve and graph. Write the result in interval notation.f - 8 ? 3

A. [11, ?)

B. (-?, 11)

C. (11, ?)

D. (-?, 11]

Answer: D

Mathematics

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Graph the polar equation.r = 5 - cos ?

A.

B.

C.

D.

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Find the circumference and area of the circle. Approximate each value to the nearest tenth when appropriate.radius = 2.3 cm

A. C = 7.2 cm, A = 66.4 cm2  B. C = 14.4 cm, A = 16.6 cm2  C. C = 7.2 cm, A = 28.9 cm2 D. C = 14.4 cm, A = 14.4 cm2 

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Translate the sentence into an equation. Use x to represent the unknown number. A number increased by 15 equals 26.

A. 26x = 15 B. x + 26 = 15 C. x + 15 = 26 D. 15x = 26

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Solve the equation on the interval 0 ? ? < 2?.2 cos ? + 2 = 

A.
B.
C.
D.

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Mathematics