Make up 1.8 Mathway 1 Math Problen rM www.webassign.net/web/Student/ Assignment-

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Make up 1.8 Mathway 1 Math Problen rM www.webassign.net/web/Student/ Assignment-Responses/submit?dep: 18129107#019 19. O -2 points LarPCalcLim4HS 18 028. Use a graphing utility to graph f, g, and f+ g in the same viewing window rx) = x2-, g(x) =-4x2-1 Which function contributes most to the magnitude of the sum when 0 s x s 2? g(x) Which function contributes most to the magnitude of the sum when x > 4? f(x) g(x) Submit Answer Save Progress 20. 3 points LarPCalcLim4HS 18 029 Find fo g, g o f, and g o g.

Explanation / Answer

f(x) = x^2 - 1/4

g(x) = -4x^2 -1

setting x = 1

f(1) = 1^2 - 1/4 = 3/4

g(1) = -4(1)^2 -1 = -5

hence, f(x) contributes most to the magnitude of the sum 0<= x <= 2

b) plugging x = 5

f(5) = 5^2 - 1/4 = 99/4

g(5) = -4 (5)^2 -1 = -100 -1 = -101

hence, f(x) contributes most to the magnitude of the sum x > 4

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