Factor completely. If the polynomial cannot be factored, say it is prime.2x2 - 2x - 12

A. 2(x - 2)(x + 3)
B. (2x + 4)(x - 3)
C. 2(x + 2)(x - 3)
D. prime


Answer: C

Mathematics

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Use the method of Gauss to find the sum.2 + 4 + 6 + . . . + 600

A. 90,300 B. 362,404 C. 22,500 D. 90,000

Mathematics

A certain animal grows to a maximum length of 28 inches.  Its length, in inches, at age years is given by the function .  The difference

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.
A: If the animal is 5 inches long when it is born, find a formula that gives the length difference D as a function of the age t. Write your answer using the alternative form for an exponential function.B: Find a formula that gives the length in terms of the age.C: What is the animal's length at age 8 years?

What will be an ideal response?

Mathematics

Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = ln (x2 + y2)i + tan-1 j; C is the region defined by the polar coordinate inequalities 2 ? r ? 3 and 

A. 13 B. -2 C. 0 D. 10

Mathematics

Provide an appropriate response.Find the number of compounding periods that correspond to a term of 17 years if the account is compounded: a. semiannually b. monthly c. daily (ignoring leap year)

A. a. 2, b. 12, c. 365 B. a. 17, b. 68, c. 6205 C. a. 34, b. 204, c. 6205 D. a. 34, b. 204, c. 17

Mathematics