Use a fiNite Sum to Estimate the Average Value of the Function

question 58

Multiple Choice

Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and
evaluating the function at the midpoints of the subintervals.
- $f ( x ) = 5 ( 2 ) ^ { x }$ on $[ 1,7 ]$ divided into 3 subintervals

• A) 70
• B) 280
• C) 420
• D) 140

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