# 2.2 - 1 Differentiate#18(5pts y'=8.4x^2.210.5x^1.1...

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1 ) Differentiate #18. (5pts)   y' = -8.4x^-2.2 - 10.5x^1.1   y' = 8.4x^.02 + 10.5x^-3.1   y' = -8.4x^.02 - 10.5x^-3.1   y' = 8.4x^-2.2 + 10.5x^1.1 Answer : Corre ct Points: 5 2 ) Differentiate #12 (5pts)   y' = 5x^5 - 3x^3 + 2x^2 + 1x + 9   y' = 5x^4 - 4x^3 + 9   y' = 15x^5 - 12x^3 + 9   y' = 4x^4 - 2x^2 + 1x + 9 Answer : Incorrec t Points: 0 3 ) Differentiate #14. (5pts)   f'(x) = 8x^7 - 6x^5 - 1   f'(x) = 2x^7 - 3x^5 - 1   f'(x) = x^7 - x^5 - 1   f'(x) = 4x^7 - 4x^5 - 1 Answer Corre

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: ct Points: 5 4 ) Differentiate #18. (5pts)   y' = -3x^2 + 4x^3 - 2/x^4   y' = 3 - 4x + 6x^2   y' = 3 - 4/x + 6/x^2 y' = -3/x^2 + 4/x^3 - 2/x^4 5 ) Find the equation of the line that is tangent to the graph of the  function #28. (5pts)   y = -5x + 27   y = (-11/2)x + 29
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2.2 - 1 Differentiate#18(5pts y'=8.4x^2.210.5x^1.1...

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