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Find the area of the region under the graph of the function f on the interval [4, 10].

f(x)=10x-5

? square units

  • math -

    "the area of the region under the graph" is an integral of f(x) from a to b, in your case from 4 to 10.

    ∫ f(x) from 4 to 10=∫ (10x-5)dx from 4 to 10.
    you just have to compute the integral and that will give you:

    1/2*10x^2-5x evaluate it from 4 to 10

    I hope it helps

  • math -

    thanx! :) i got it!

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