Choose one of the four lines graphed which most closely resembles the graph of the given equation.y = -5

A.

B.

C.

D.


Answer: B

Mathematics

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Given g(x) and (g?f)(x), find f(x). g(x) = 2x2 - 7, (g ? f)(x) = 2x2 - 20x + 43

A. f(x) = x + 3 B. f(x) = x - 5 C. f(x) = x - 4 D. f(x) = x + 7

Mathematics

Solve the problem.The linear equation y = 443x + 3420 provides an approximation of the annual cost (in dollars) of health insurance for a family of three, where  represents 2011,  represents 2012, and so on. Write an equation that yields the same y-values when the exact year number is entered.

A. y = 443(2010 - x) + 3420 B. y = 443(2011 - x) + 3420 C. y = 443(x - 2010) + 3420 D. y = 443(x - 2011) + 3420

Mathematics

Find the difference.12 - 7.55

A. 19.55 B. 4.45 C. 4.55 D. 3.95

Mathematics

Answer the question.If we wish to find the candidates for local extrema and saddle points for   then we must find which of the following?(i) fx and fxx(ii) fy and fyy(iii) fxy(iv) fyx(v) fxxx

A. (i), (ii), and (v) B. (i), (ii), and (iii) C. All D. (i) and (ii)

Mathematics