Calculus
posted by Cindy .
Question Details:
Do the following. (Round your answers to four decimal places.)
(a) Estimate the area under the graph of f(x) = 8 + 2x2 from x = 1 to x = 2 using three rectangles and right endpoints.
R3 = 1
Improve your estimate by using six rectangles.
R6 = 2
(b) Repeat part (a) using left endpoints.
L3 = 3
L6 = 4
(c) Repeat part (a) using midpoints.
M3 = 5
M6 = 6
Respond to this Question
Similar Questions

Calculus
Consider the function below. f(x) = [1(4/x)]^x (a) Use a graph to estimate the value of the limit of f(x) as x approaches infinity. (Round the answer to two decimal places.) (b) Use a table of values of f(x) to estimate the limit. … 
Math: Calculus
Estimate the area under the graph of f(x)=3x^3+5 from x=1 to x=4, first using 5 approximating rectangles and right endpoints, and then improving your estimate using 10 approximating rectangles and right endpoints. I'm having problem … 
calculus
4. a. Estimate the area under the graph of f(x)=sqrt(x^2+4) from x=0 to x=2 using four rectangles and right endpoints. 
calculus
Use left endpoints and 9 rectangles to find the approximation of the area of the region between the graph of the function cos2x and the xaxis over the interval [0, pi/2] . Round your answer to four decimal places. 
Calculus
Estimate the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles. b. Sketch for yourself the graph of f and the rectangles. Is this left sum an overestimate or underestimate? 
Calculus
Use 5 right rectangles to estimate the area of the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles? 
Calculus
a) Estimate the area under the graph of f(x)=7+4x^2 from x=1 to x=2 using three rectangles and right endpoints. R3= ? 
Calculus Help Please Urgent!!!
a) Estimate the area under the graph of f(x)=7+4x^2 from x=1 to x=2 using three rectangles and right endpoints. R3= ? 
calculas
Use left and right endpoints and the given number of rectangles to find two approximations of the area of the region between the graph of the function and the xaxis over the given interval. (Round your answers to four decimal places.) … 
STATISTIC
A survey of Internet users reported that 20% downloaded music onto their computers. The filing of lawsuits by the recording industry may be a reason why this percent has decreased from the estimate of 28% from a survey taken two years …