Area Between Curves

AP Calculus AB· difficulty 2/5

Area between y=f(x)y = f(x) (upper) and y=g(x)y = g(x) (lower) on [a,b][a, b] equals

  • A

    abfdx+abgdx\int_a^b f\,dx + \int_a^b g\,dx

  • B

    f(b)g(a)f(b) - g(a)

  • C

    ab(fg)dx\int_a^b (f - g)\,dx

    check_circle
  • D

    f(a)g(b)f(a) - g(b)

Explanation

Vertical-strip integration of (upper − lower).

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