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= ??? Then improve your estimate by using six rectangles. R6= ??? Sketch the curve and the approximating rectangles for R3
34,149 results
calculus
Estimate the area under the curve f(x) = x2 from x = 1 to x = 5 by using four inscribed (under the curve) rectangles. Answer to the nearest integer.

Geometry
Which statement is true? A. All squares are rectangles. B. All quadrilaterals are rectangles. C. All parallelograms are rectangles. D. All rectangles are squares. I thought it was B.

Calculus
Estimate the area under the curve f(x)=16x^2 from x=0 to x=3 by using three inscribed (under the curve) rectangles. Answer to the nearest integer.

Calculus
Given the table below for selected values of f(x), use 6 right rectangles to estimate the value of the integral from 1 to 10 of f(x)dx. Table: 1 3 4 6 7 9 10 4 8 6 10 10 12 16 The only problem I'm having with this is figuring out the values of f(2.5),

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.) g(x) = 7 sin x, [0,

Calculus
Use this definition with the right endpoints to find an expression for the area under the graph of f as a limit. Do not evaluate the limit. f(x)= 3+sin^2(x) 0

Math
Jan has a 5 × 8 cardboard rectangle. She wants to divide it into smaller rectangles. What are two possible area totals for the smaller rectangles? A. 24 and 16 B. 22 and 16 C. ***** 36 and 12 D. 8 and 12 please help im stuck on this one can someone help

Calc 1
Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 6 sin x, 0 ≤ x ≤ π

Calculus
Use two rectangles of equal width to estimate the area between the graph of f(x) = x  cos(πx) and the xaxis on the interval [1, 5]. Evaluate the function at the midpoint of each rectangle to find each height. a) 8 b) 12 c) 16 d) 20 thank you in

hi calculus asap
the graph of a piecewise linear function f, for 1

Calculus
1. The differential equation dy/dx equals x2/y2 I .produces a slope field with horizontal tangents at y = 2 II. produces a slope field with vertical tangents at y = 2 III. produces a slope field with columns of parallel segments A. I only B. II only C. I

Calculus
Use two rectangles of equal width to estimate the area between the graph of f(x)=x+sin( πx) and the xaxis on the interval [4,8]. Evaluate the function at the midpoint of each rectangle to find each height. a) 20 b) 24 c) 26 d) 28 Thanks in advance

Math
7. Which of the following is a true statement? (1 point) It is possible for two rectangles to have the same area, but only if they also have the same perimeter. It is possible for two rectangles to have the same area without having the same perimeter. It

Calculus
Estimate the area under the curve f(x) = x2 + 1 from x = 0 to x = 6 by using three circumscribed (over the curve) rectangles. Answer to the nearest integer.

grade 3 math
two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.

Calculus
The area A of the region S that lies under the graph of the continuous function is the limit of the sum of the areas of approximating rectangles. A = lim n → ∞ [f(x1)Δx + f(x2)Δx + . . . + f(xn)Δx] Use this definition to find an expression for the

calc
a) Estimate the area under the graph of f(x) = 10(sqrt(x)) from x = 0 to x = 4 using four approximating rectangles and right endpoints

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= ???? Then improve your estimate by using six rectangles. R6= ????? Sketch the curve and the approximating rectangles for R3. Sketch the

Calculus
A rectangle has one corner in quadrant I on the graph of y = 9 − x^2,another corner at the origin, and corners on both the positive yaxis and the positive xaxis. As the corner on y = 9 − x2 changes, a variety of rectangles are obtained. Express the

Calculus
If the area under the curve of f(x) = x2 + 2 from x = 1 to x = 6 is estimated using five approximating rectangles and right endpoints, will the estimate be an underestimate or overestimate? Underestimate Overestimate The area will be exact The area cannot

Calculus
If the area under the curve of f(x) = 25  x^2 from x = 4 to x = 0 is estimated using four approximating rectangles and left endpoints, will the estimate be an underestimate or overestimate? 1) Underestimate 2) Overestimate 3) The area will be exact

math
Lee wants to cut this piece of canvas into two rectangles that are 3×2 and 3×5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? Explain

math
Explain why it is possible to draw more than two different rectangles with an area of 36 square units, but it is not possible to draw more than two different rectangles with an area of 15 square units. The sides of the rectangles are whole numbers. EXPLAIN

Calculus
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. g(x) = 2x^2 − x − 1, [3, 5], 4 rectangles __ < Area < __

math
Estimate the area under the curve f(x) = 16 – x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. Answer to the nearest integer.

Math(Connexus 6th)Unit 6
A room has 2 sections as shown in the picture below. Which expression uses the Distributive Property to find the total area of the room? (A rectangle is divided into two smaller rectangles by a vertical line. The vertical height of the rectangles is 14. To

Calculus
The speed of a runner increased steadily during the first three seconds of a race. Her speed at halfsecond intervals is given in the table below. Find lower and upper estimates of the distance she covered during the first three seconds of the race. Use

Calc 1
Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 5th root(x), 0 ≤ x ≤ 32

Calculus
Estimate the area under the graph of f(x) = 2x^3 + 3 from x= 1 to x=5, first using 6 approximating rectangle and right endpoints, and then improving your estimate using 12 approximating rectangles and right endpoints. When using the left and right

Calculus
I am in a car and travel for 12 minutes. Below are the speeds in mph, recorded every two minutes. Use trapezoids, rightbound rectangles, and midpoint rectangles to estimate the distance I traveled. Min 0 2 4 6 8 10 12 Speed 20 22 35 46 50 50 20

Calculus 1
Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = x^−3, 2 ≤ x ≤ 5

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 with using the

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= ??? Then improve your estimate by using six rectangles. R6= ??? Sketch the curve and the approximating rectangles for R3 and R6? b) Repeat

Calculus
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.

CalculusAproximate Areas
Estimate the area under the graph of f(x)=sin(pix) from x=0 to x=1 using the areas of 3 rectangles of equal width, with heights of the rectangles determined by the height of the curve a a) left endpoint: b) right endpoint:

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.

Math
Maya has 5 sheets of paper. She cuts each sheet into 3 equal sized rectangles. The rectangles are shared equally among 6 students. How many rectangles does each student get?

math
Which of the following is a true statement? A. It is possible for two rectangles to have the same area, but only if they also have the same perimeter. B. It is possible for two rectangles to have the same area without having the same perimeter. C. It is

math
On a centimeter dot array, draw all possible rectangles with a perimeter of 16cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each. Also the area of each rectangle. Compare the shapes of the rectangles with the

calculus(Lab)
Well, first graph the graph of f(x)=1/10x^2 + 3 2. We are going to approximate the area between f and the xaxis from x = 0 to x = 4 using rectangles (the method of Riemann sums). This is not the entire area in the first quadrant, just most of it. Draw

Math: Need Answer to study for a quizz. Help ASAP
Estimate the area under the curve f(x)=x^24x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3]

Math
Estimate the are under the curve f(x)=x^24x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3]

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
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? Enter OVER or UNDER. c. Now use 5 right rectangles to

CalculusApproximate areas
Estimate the area under the graph of f(x)= x^2 + 3 x from x=1 to x=10 using the areas of 3 rectangles of equal width, with heights of the rectangles determined by the height of the curve at a) left endpoints: b) right endpoints:

Calc
Suppose that we want to estimate the area under the graph of f(x)=X^2+x for x=1 and 3. What is the value of the estimate using four rectangles and taking the sample points to be lefthand endpoints?

CalculusAproximate Areas
Estimate the area under the graph of f(x)=sin(pix) from x=0 to x=1 using the areas of 3 rectangles of equal width, with heights of the rectangles determined by the height of the curve at a) left endpoint: b) right endpoint:

Calculus
Set up a Riemann sum to estimate the area under the graph of f(x) = 5x 2 + 2 between x = 0 and x = 1 using 3 subdivisions and left endpoints. Draw the graph and the 3 rectangles

Calculus
Estimate the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles?

Math
graph the data in each table Perimeters of Similar Rectangles x 1 2 3 4 5 P ? ? ? ? ? Graph P 40 30 20 20 0 1 2 3 4 5 6 7 8 9 X Area of Similar Rectangles X 1 2 3 4 5 A ? ? ? ? ? A 40 30 20 10 0 1 2 3 4 5 6 7 8 9 X 1st rectangle is one side x bottom 2x

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.

Calc
Estimate the area under the graph of f(x)= x^2 + 2 x from x=4 to x=10 using 3 approximating rectangles and left endpoints.

Calculus
Estimate the area under the graph of f(x)= x^2 + 2 x from x=1 to x=5 using 4 approximating rectangles and left endpoints.

Calculus
Consider the function x^2+x4 Estimate the area between the graph and the xaxis between x=2 and x=4 using four rectangles and right end points.

Calculus
Estimate the area under the graph of f(x)=cos((pi/4)x) from x=2 to x=2 using 3 rectangles of equal width, using left and right endpoints.?

Calculus
1. Using midpoint method, estimate the area under the graph of y= sqrt x between x = 0 to x = 1, using 4 rectangles. 3. A soccer ball is kicked straight up into the air from the ground with an initial velocity of 200 ft/s. The velocity of the ball at any

Calculus
Approximate the area under the graph of f(x)and above the xaxis using 4 rectangles: f(x)=x(x) +2 using 4 rectangles at intervals 0,5

Math: Calculus
Estimate the area under the graph of f(x)=x^2+2x from x = 4 to x = 10 using 3 approximating rectangles and left endpoints. I got 290.25 as my answer but it's wrong. Would someone explain to me how to answer this question.

Calculus
Estimate the area under the curve f(x)=x^2 between x=0 and x=1 using 4 rectangles of equal width if a) The height is taken from the right endpoint b) The height is taken from the midpoint. I have no idea what exactly this question is asking me to do is

Calculus
For the function f described by the following table, estimate ç40 0 f(x)dx using the following. Enter each answer as a sum to show your work. 5 left rectangles 5 right rectangles 5 midpoint rectangles x 0 4 8 12 16 20 24 28 32 36 40 y 7 46 50 45 7

calculus
consider the function f(x)= x^2/4 6 Rn is the Riemann sum where the sample points are chosen to be the righthand endpoints of each subinterval. Calculate Rn for f(x)= x^2/4 6 on the interval [0,4] and write your answer as a function of n without any

Math
estimate the area of the rectangles 5 7/9 by 3 1/5 7 7/8 by 1 1/3 Estimate each product. 3/8 X 4

Calculus
For each of the surfaces, calculate its exact area. b) The area bounded by the curves y = 4sqrt(x), y = 2x+2 and the xaxis. Use vertical rectangles. c) Same curves but use horizontal rectangles. Wouldn't using rectangles count as a approximate Riemann

Calculus
I am in a car and travel for 12 minutes. Below are the speeds in mph, recorded every two minutes. Use trapezoids, rightbound rectangles, and midpoint rectangles to estimate the distance I traveled. Min 0 2 4 6 8 10 12 Speed 20 22 35 46 50 50 20

maths
If E the universal set contains all rectangles of length x and breadth y, where x and y are integers and x>y. A contains rectangles with area of 24m2 B contains rectangles , each with length multiples of 3 and area of 24m2. Find n(A), n(B), and n(A ^B)

Math
An area is bounded by the xaxis and the parabola y = 16  x^2. Use four rectangles of equal width and the midpoint approximation method to estimate the bounded area. Could you please show me how to work out this problem? Thanks!

Math
Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b + 2; and a + 3 and b – 1. Find the area of the rectangles.

math
Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b + 2; and a + 3 and b – 1. Find the area of the rectangles.

math
Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b + 2; and a + 3 and b – 1. Find the area of the rectangles.

math
Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b + 2; and a + 3 and b – 1. Find the area of the rectangles.

Calc.
a)If f(x)= x/(x+2), 1 less than or equal to x less than or equal to 4, find the left and right sums for n= 10, 30, and 50. b)Illustrate by graphing the rectangles in part a. c)Show that the exact area under f lies between 1.603 and 1.624. So this is all I

calculus
The approximation to the area under the graph of the function f(x)= 1/(1+x^2) on the interval [1,1], using four rectangles and the midpoint rule is

math
The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30  day period. Estimate the total number of therms used during this period. Use left endpoints and rectangles with widths of 3 days. View graph at: postimg.o r

math
The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30  day period. Estimate the total number of therms used during this period. Use left endpoints and rectangles with widths of 3 days. View graph at: postimg.o

Math
Use three rectangles of equal width and the left endpoint approximation method to estimate the area enclosed by the xaxis, the lines x = 1 and x = 4, and the curve y = x^(1/2). Could you please help me understand how to do this? Thanks in advance!

programming
Write a program that asks for the length and width of two rectangles. The program should tell the user which rectangles has the greater area, or if the area are the same.

math
consider pairs of rectangles where the dimensions are doubled (rectangles with all sides X2 and all sides X4, or those with all sides X3 and all sides X6. what happens to the perimeter when you double each of the dimensions of a rectangle?, Then what

geometry
ee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large. Can he do this? explain.

Python programming
A standard problem in mathematics is to measure the area under a curve (or to integrate the function defining the curve). A simple way to do this is to approximate the area with a series of rectangles (whose areas are easy to compute). For example, we

Math
Two rectangles have an area of 81 square inches. Name two possible perimeters for the rectangles

Math
Two rectangles have an area of 36 Square inches name to possible parameters for the rectangles

Math
Two rectangles have an area of 81 square inches.Name two possible perimeters for the rectangles.

Calc 1
Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = x^−3, 1 ≤ x ≤ 5

Calc1
Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = sec^2 x, 0 ≤ x ≤ π/4

Calculus 1
Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = cube root(x) , 0 ≤ x ≤ 27

math
Given f (x) = √(7 + x) + 4 . Use the rectangle method to approximate the area on the interval [0, 8] using 4 rectangles. (Assume the graph goes through the midpoint of each rectangle.)

math question 2 very urgent !
Given f (x) = √(7 + x) + 4 . Use the rectangle method to approximate the area on the interval [0, 8] using 4 rectangles. (Assume the graph goes through the midpoint of each rectangle.)

Math
I need help checking my answers. Which of the following is a true statement? A. It is possible for two rectangles to have the same area, but only if they have the same perimeter. B. It is possible for two rectangles to have the same area without having the

Geometry
Need help, not sure what I am suppose to do. Estimate the area between the graph of 4y = 16  x^2 and the xaxis. The picture of a mound is on a piece of graph paper. Points A(4,0) B(0,4)(4,0) Point B is the top of mound.

calculus
Approximate the area in the first quadrant between the xaxis, the yaxis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include

math
Recognize that rectangles that have the same area can have different perimenters. Do rectangles with the same area necessarily have the same perimeter?Give an example to support your answer. How I would handle this is to first look at the formula.

Calculus
Use n = 6 subdivisions and left endpoints to estimate the area under the graph of f(x) = 2x + 1 between x = 0 and x = 3.

Calculus
Use n = 3 subdivisions and left endpoints to estimate the area under the graph of f(x) = 3x 2 + 1 between x = 0 and x = 1.

Calculus
Estimate ç 6 0 6−x^2 dx using 3 right rectangles

calculus
given the graph of f(x) = x sinx, 0

calculus
Time (months) 0 1 2 3 4 5 Rate pollutants are escaping 2 5 7 16 24 34 Use this data to sketch a graph Draw rectangles on this graph (as in Figure 5.2) to help you underestimate the total pollutants that escaped during the first month. What underestimate

Calculus
Estimate ç 6 0 6−x^2 dx using 3 left rectangles.

science/math
I have to make this density graph on a standard sheet of graph paper of this area outside. Each side of the area is a meter (in real life). What would be an good scale to use for my graph on graph paper?

Calculus
Estimate ç4 1 ln(x)−3dx using 6 midpoint rectangles

Math
Which of the following is a true statement? it is possible for two rectangles to have the same area, but only if they have the same perimeter. It is possible for two rectangles to have the same area without having the same perimeter. *** It is possible for