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Ariel Hernandez (Power Point) Michellene Saegh ( Problem Solving)

Team THUNDERSTORM. Ariel Hernandez (Power Point) Michellene Saegh ( Problem Solving) and Raynelle Salters (Graphing). Pg. 369 #32 R(x) = ( X 4 ) / ( X 2 - 9) Step 1: < FACTOR > R(x) = ( X 4 ) / ( X 2 - 9)  R(x) = ( X 4 ) / (x-3)(x+3). Step 2:

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Ariel Hernandez (Power Point) Michellene Saegh ( Problem Solving)

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  1. Team THUNDERSTORM Ariel Hernandez (Power Point) MichelleneSaegh(Problem Solving) and Raynelle Salters (Graphing)

  2. Pg. 369 #32 R(x) = (X4) / (X2 - 9) Step 1: < FACTOR > R(x) = (X4) / (X2 - 9)  R(x) = (X4) / (x-3)(x+3)

  3. Step 2: FIND THE DOMAIN R(x) = (X4) / (x-3)(x+3) You have (x-3)(x+3) in the Denominator So set them equal to Zero x-3 = 0 and x+ 3= 0 x ≠ 3 x ≠ -3 The Domain is all real numbers except: x = 3 and x = -3

  4. Step 3: Find the Vertical Asymptotes Take the Denominator of the Function R(x) = (X4) / (X2 - 9) and set it equal to zero X2 – 9 = 0 X2 = 9 √x2 = √9 X = 3 and -3

  5. So since X = 3 and X= -3 then that means the function R(x) = (X4) / (X2 - 9) Has two vertical asymptotes One at X = -3 and the other at X = 3

  6. Step 4: Finding the Horizontal Asymptotes To find the Horizontal Asymptotes of the Function R(x) = (X4) / (X2 - 9) Compare the Degrees of the numerator and the denominator In this case The Numerator has aX4with a degree of 4 The Denominator has X2 with a degree of 2

  7. Therefore : The N(4) > D(2) So according the Rule about Horizontal Asymptotes In which the degree of the numerator is n and degree of the denominator is m. If n > m + 1 That tells you that the Graph of R has neither a horizontal behavior nor an oblique asymptote. So NO Horizontal Asymptote for R(x) = (X4) / (X2 - 9)

  8. Step 5: Finding the x and y intercepts of R(x) = (X4) / (X2 - 9) For the x-intercept Set R(x) = (X4) / (X2 - 9) = 0 and solve (X4) / (X2 - 9) = 0 (X4) = 0 4√(X4= 4√0 X= 0 Therefore the x-intercept for R(x) = (X4) / (X2 - 9) Is (0, 0)

  9. For the y-intercept Plug in Zero in place of X R(x) = (X4) / (X2 - 9) to find the x coordinate R(x) = (04) / (02 - 9) y = (0) / (- 9) y = 0 Therefore the y-interceptfor R(x) = (X4) / (X2 - 9) Is (0,0)

  10. R(x) = (X4) / (X2 - 9) X-intercept (0,0) and Y-intercept (0,0)

  11. Step 6: Plotting Points To Graph The Function R(x) = (X4) / (X2 - 9) Zoomed In

  12. Graph of R(x) = (X4) / (X2 - 9) Zoomed in.

  13. Graph of R(x) = (X4) / (X2 - 9) Full View

  14. Team THUNDERSTORM THE END WATCH OUT FOR LIGHTNING

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