Express the graph shown using interval notation. Also express it as an inequality involving x.

A. [9, ?)
x ? 9
B. (9, ?)
x > 9
C. (-?, 9)
x < 9
D. (-?, 9]
x ? 9


Answer: D

Mathematics

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Solve.The FDA approves a new drug and has confirmed by independent research that the strength of the reaction to the drug is given by the formula S(d) = ?d2 - d3, where d is the dosage amount of the drug and ? is a constant. Find an equivalent expression for S(d) by factoring out a common factor.

A. d2(? - d)
B. (? - d)
C. (? - d)
D. d2(? + d)

Mathematics

Provide an appropriate response.Explain why, when rewriting a fraction with a different denominator, the fraction can be multiplied by another fraction whose numerator and denominator are the same.

What will be an ideal response?

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Factor completely.2x3 + 3x2 + 4x + 6

A. (2x2 + 1)(x + 6) B. (x2 + 2)(2x + 3) C. (x2 + 3)(2x + 2) D. (2x2 + 3)(x + 2)

Mathematics

The bar graph shows the expenditures of one city government in a recent year.    Name the agency with the smallest spending and estimate this value.

A. Environment; $3.2 million B. All Other Agencies; $8.2 million C. Human Resources; $24.2 million D. Health; $5.4 million

Mathematics