FTC and Definite Integrals

AP Calculus AB· difficulty 2/5

x 0 6 3

The shaded rectangle gives 06f(x)dx\int_0^6 f(x)\,dx where f(x)=3f(x)=3. The integral equals:

  • A

    33

  • B

    1818

    check_circle
  • C

    66

  • D

    99

Explanation

Area =3×6=18= 3 \times 6 = 18.

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