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A graphing calculator is recommended. For the function, do the following. f(x) = 20 − 3x2  from  x...

A graphing calculator is recommended.

For the function, do the following.

f(x) = 20 − 3x2  from  x = 1  to  x = 2

(a) Integrate ("by hand") to find the area under the curve between the given x-values.

  square units

(b) Verify your answer to part (a) by having your calculator graph the function and find the area (using a command like FnInt or ∫f(x)dx.)
square units

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