Solve the inequality.(x + 2)(x - 4) ? 0

A. (-?, -2] or [4, ?)
B. [4, ?)
C. [-2, 4]
D. (-?, -2]

Answer: C

Mathematics

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Find the length of the curve.The spiral r = e3?, 0 ? ? ? ?

A. (e3? - 1)
B. e6? - 
C. (e6? - 1)
D. 8(?2 - 1)

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Simplify by factoring out the given factor.(2m + 3)-2/5  + (2m + 3) 1/5  + (2m + 3) 7/5; (2m + 3)-2/5

A. (2m + 3)-2/5 [1 + (2m + 3) 3/5 - (2m + 3) 9/5] B. (2m + 3)-2/5 [1 + (2m + 3) 3/5 + (2m + 3) 9/5] C. (2m + 3)-2/5 [1 + (2m + 3)-3/5 + (2m + 3) -9/5] D. (2m + 3)-2/5 [1 + (2m + 3) 4/5 + (2m + 3) 7/5]

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Find the indicated term of the arithmetic sequence.3.45, 4.05, 4.65, . . . ;11th term

A. 10.65 B. 9.45 C. 11.85 D. 10.05

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Evaluate the function.Find f(1.6) when f(x) = 8x + 3.4.

A. 13.14 B. 16.2 C. -9.4 D. 9.4

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Mathematics