1) Use a left-hand sum with 4 subintervals to approximate the following definite integral. Round to 4 decimal places. 5 [²³ x² + 4x dx S 3

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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1 and 2 please with work so I can understand.

1) Use a left-hand sum with 4 subintervals to approximate the
following definite integral. Round to 4 decimal places.
5
3
x² + 4x dx
2) Use geometry to compute the following definite integral. Give an
exact answer. (HINT: Graph the integrand with technology!)
8
1+√16 - (x − 4)² dx
0
Transcribed Image Text:1) Use a left-hand sum with 4 subintervals to approximate the following definite integral. Round to 4 decimal places. 5 3 x² + 4x dx 2) Use geometry to compute the following definite integral. Give an exact answer. (HINT: Graph the integrand with technology!) 8 1+√16 - (x − 4)² dx 0
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