For the function f defined over an interval [a, b], express the area A as an integral.f(x) =  , [2, 5]

A. dx
B. dx
C. dx
D. dx


Answer: A

Mathematics

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Evaluate the improper integral or state that it diverges.

A. 16 ln 2
B. 82
C. 16 ln 
D. 16 ln 

Mathematics

Add. Simplify, if possible. + 8

A. 9
B. 9
C. 9
D. 8

Mathematics

Find the first term a1 and the common difference d of the arithmetic sequence.607, 595, 583, 571, . . .

A. a1 = 607, d = 607 B. a1 = -12, d = -607 C. a1 = 607, d = -12 D. a1 = -12, d = 12

Mathematics

Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.

A. 157.00 cm B. 490.63 cm C. 78.50 cm D. 39.25 cm

Mathematics