Graph the parabola.-4x = y2

A.

B.

C.

D.
 


Answer: A

Mathematics

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Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). The linear model for this data is  where x is the cost of advertising (in thousands of dollars) and y is number of products sold (in thousands). Use this model to predict the number of products sold (in thousands) if the cost of advertising is $8000. 

A. 22,375,800 products sold B. 84,820 products sold C. 78,120 products sold D. 75,120 products sold

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Factor.28 + 39x + 5x2

A. (5x + 4)(x + 7) B. (x + 4)(x + 7) C. (x - 21)(x + 7) D. (5x - 21)(x + 7)

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Solve the problem.A town has a population of 10,000 people and is increasing by 10% every year. What will the population be at the end of 4 years?

A. 4641 people B. 13,310 people C. 14,641 people D. 14,000 people

Mathematics

Find the product.(x2 + x - 2)(x2 + x - 8)

A. x4 + x3 + 11x2 + 10x + 16 B. x4 + 2x3 + 10x2 + 6x + 16 C. x4 + 2x3 - 9x2 - 10x + 16 D. x4 + x3 - 10x2 - 10x + 16

Mathematics