Find the composition.f(x) = ; g(x) = 4x - 14Find (f ? g)(9).

A.
B.
C. 2
D.


Answer: D

Mathematics

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Write the formula using the "language" of variation. r = d/t, where r is the rate by which distance d is covered in time t

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Mathematics

Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?

A. 0.275 B. 0.22 C. 0.5667 D. 0.7083

Mathematics

Find the remaining zeros of a polynomial with real coefficients and having the specified degree and zeros.Degree 4; zeros: i, 1 + i

A. -i, 1 - i B. -1 + i, 1 - i C. 1 - i D. -i, -1 + i

Mathematics

Find the area of the triangle with vertices at (2a,0), (2c,0), and (0,2b).

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Mathematics