Consider the function f (x) = 5 cos x. What is the estimate of the area under the curve of f using rectangular approximations and sample points on the interval [-1. 5, 1. 5]?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Consider the function f (x) = 5 cos x.
What is the estimate of the area under the curve of f using
rectangular approximations and sample points on the interval
[-1. 5, 1. 5]?
Evaluate the function at:
x = -1.5 on [-1. 5, –1]
x = -0. 8 on [–1, 0]
x = 0. 8 on [0, 1]
x = 1. 5 on [1, 1. 5]
Note: Round to the nearest hundredth.
Transcribed Image Text:Consider the function f (x) = 5 cos x. What is the estimate of the area under the curve of f using rectangular approximations and sample points on the interval [-1. 5, 1. 5]? Evaluate the function at: x = -1.5 on [-1. 5, –1] x = -0. 8 on [–1, 0] x = 0. 8 on [0, 1] x = 1. 5 on [1, 1. 5] Note: Round to the nearest hundredth.
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