Factor by grouping.x3 + 2x2 + x + 2

A. (x2 + 1)(2x + 2)
B. (x2 + 1)(x + 2)
C. (2x2 + 2)(x + 1)
D. (x2 + 2)(x + 1)


Answer: B

Mathematics

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Express the ratio in simplest form.56 ft to 16 ft

A.
B. 6
C.
D.

Mathematics

The symbolic representation of f and g are given. Use a graph of f and g to estimate the solution of f(x) = g(x). Round to the nearest tenth.f(x) = e0.80x, g(x) = 33

A. -15.7 B. 4.4 C. 3.7 D. 2.7

Mathematics

Determine if the sequence is arithmetic, geometric, or neither. If arithmetic or geometric, determine the first term and the common difference or common ratio.

A. neither arithmetic nor geometric
B. Geometric; a = 1, r = 
C. Geometric; a = , r = 
D. Arithmetic; a = , d = 

Mathematics

An account now contains $8,800 and has been accumulating interest at a 16% annual rate, compounded continuously, for 7 years. Find the initial deposit and round to the nearest cent. ?

A. $8,769.44 B. $2,871.26 C. $2,857.92 D. $8,574.58 E. $8,580.05

Mathematics