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 =

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