Solve and graph the solution set on a number line.|x + 8| ? 0

A. {8}

B. (-?, -8)

C. {-8}

D. ?


Answer: C

Mathematics

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Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let  Assuming that the total annual snowfall (in inches), S(x,y), at  is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.

A. 52.06 inches B. 51.14 inches C. 52.44 inches D. 51.78 inches

Mathematics

Solve and graph.5x - 1 < 4 and x - 2 > -1

A. ?
B. (0, 1)

C. {1}

D. [0, 1]

Mathematics

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). (i) Use a graphing calculator to fit a linear sequence regression function an = an + b to the data, where n is the cost of advertising (in thousands of dollars) and an is number of products sold (in thousands). (ii) Use this function to estimate the number of products sold if the cost of advertising is $14,000.

A. (i) an  = 3.02n + 55.8;  (ii) 101.56 thousand products B. (i) an  = 2.73n + 34.8;  (ii) 91.86 thousand products C. (i) an  = 5.79n + 94.3;  (ii) 39,115.8 products D. (i) an  = 2.79n + 55.8;  (ii) 94.86 thousand products

Mathematics

Factor the trinomial.n4 - 6n2 - 16

A. (n2 - 2)(n2 - 8) B. (n2 + 2)(n2 - 8) C. (n2 + 6n + 2)(n2 - n - 8) D. (n2 - 2)(n2 + 8)

Mathematics