Your graphing calculator can be used to evaluate definite integrals:

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Presentation transcript:

Your graphing calculator can be used to evaluate definite integrals: =fnInt(f (x),x,a,b) Math 9

Example: MATH (9:) fnInt( MATH

Numerical Integration MATH (9:) fnInt( fnInt(f (x), x, a, b) gives Try , compare to the computation using the Fundamental Theorem MATH

Numerical Integration

Numerical Integration You can also estimate the value of the definite integral while looking at a graph. First graph

Numerical Integration CALC (2nd TRACE) #7 This is the definite integral even though the notation is wrong.

Numerical Integration Enter the Lower Limit Press 1 then ENTER

Numerical Integration

Numerical Integration Then the Upper Limit Press 3 then ENTER

Numerical Integration Then the Upper Limit Press 3 then ENTER There’s your answer!