Solve the problem.The population of a small town is given by the table.If the population is modeled by p(t) = at2 + b where t is in years and  corresponds to the year 1960 and  corresponds the year 1970, find a.

A. 10
B. 20
C. 24
D. 12


Answer: A

Mathematics

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Give an appropriate answer.Letf(x) = -10 andg(x) = 8. Find[f(x) ? g(x)].

A. 2 B. -80 C. -2 D. 8

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Find an equation of variation in which the following are true.y varies directly as x and inversely as z, and y = 12 when x = 2 and z = 8.

A. y = 
B. y = 51xz
C. y = 
D. y = 

Mathematics

Perform the indicated operation. - 

A.
B.
C. 3
D.

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Find the product.7x7(8x - 1)

A. -56x8 + 7x7 B. 56x8 - 7 C. 49x8 D. 56x8 - 7x7

Mathematics