algebra

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Find the average rate of change of f(x)=-3x^2+1:
a) From 1 to 3____
b) From 3 to 5____
c) From 1 to 4______

  • algebra -

    (a) [f(3) - f(1)]/(3-1)
    = (28-4)/2 = 12

    (b) [f(5) -f(3)]/(5-3)
    = (76-28)/2 = 24

    (c) [f(4) - f(1)]/(4-1)
    = (your turn)

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