Approximate the area under the graph of the function f(x) = 6x + 8 from 3 to 7 for n = 4 and n = 8 subintervals by using lower and upper sums. (Use symbolic notation and fractions where needed.) (a) By using lower sums s, (rectangles that lie below the graph of f(x)). lower sum S4 = lower sum Sg = (b) By using upper sums S, (rectangles that lie above the graph of f(x)). upper sum S4 =

Approximate the area under the graph of the function f(x) = 6x + 8 from 3 to 7 for n = 4 and n = 8 subintervals by using lower and upper sums. (Use symbolic notation and fractions where needed.) (a) By using lower sums s, (rectangles that lie below the graph of f(x)). lower sum S4 = lower sum Sg = (b) By using upper sums S, (rectangles that lie above the graph of f(x)). upper sum S4 =

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

(b) By using upper sums S, (rectangles that lie above the graph of f(x)).
upper sum S4 =
upper sum S8

Approximate the area under the graph of the function f(x) = 6x + 8 from 3 to 7 for n = 4 and n = 8 subintervals by using
lower and upper sums.
(Use symbolic notation and fractions where needed.)
(a) By using lower sums s, (rectangles that lie below the graph of f(x)).
lower sum S4 =
lower sum S8 =
(b) By using upper sums S, (rectangles that lie above the graph of f(x)).
upper sum S4 =

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