แผ่นงานHW Introduction to the Definite Integral
คำถามทั้งหมด: 20
#1
1.5
1.1418
1.1
1.4914
What does picture represent? #2
Left Riemann Sum
Right Riemann Sum
Middle Riemann Sum
Trapezoidal Sum
The area under a curve is calculated using which mathematical concept? #3
antiderivative
indefinite integral
definite integral
derivative
∫26f(x)dx= #4
20
40
26
32
Using 5 subintervals and right endpoints what is the approximation for distance travelled? #5
(a)
Approximate the area under y=h(x) from x=-2 to x=4 using a Right-hand sum and three equal subdivisions. #6
20 units2
26.5 units2
28 units2
What is the correct description of the subdivisions in the Riemann sum? #7
five uniform subdivisions
five nonuniform subdivisions
six uniform subdivisions
six nonuniform subdivisions
Decompose the quadrilateral into 2 triangles and a rectangle, and then sum their areas together. #8
#9
What is the meaning of the following symbol: #10
∫abf(x)dx
The area from the curve to the x-axis from x = a to x = b
The rate at which f(x) is changing from x = a to x = b
The area from the curve to the y-axis from x = a to x = b
The volume when the curve is rotated about the x-axis from x = a to x = b
Find the Left Riemann Sum, with three sub-intervals indicated by the table. (Drawing a sketch of f(x) will help.) #11
28
16
34
23
Find the Right Riemann Sum, with three sub-intervals indicated by the table. (Drawing a sketch of f(x) will help.) #12
28
16
34
23
Use a Left Riemann Sum to approximate the area under the curve of f(x)=x2−6x+10 on the interval [1, 5] using 4 subintervals. #13
20
14
10
8
Use a Right Riemann Sum to approximate the area under the curve of f(x)=x2−6x+10 on the interval [1, 5] using 4 subintervals. #14
6
10
11
20
Based on the table, use a Left Riemann sum and 4 sub-intervals to estimate the Area under the curve. (Choose the correct set-up.) #15
2(3) + 2(4) + 2(5) + 2(7)
2(4) + 2(5) + 2(7) + 2(6)
0(3) + 2(4) + 4(5) + 6(7)
0(3) + 5(4) + 6(5) + 8(7)
#16
17
44
53
15
Find the area under y=(x−2)5 over the interval [2,4] . Use the TI 84 to find the area. #17
32/3
4
16/3
16
Approximate the area under the curve using the given Riemann Sum
f(x) = −0.2x2−x+12
Right Riemann Sum on the interval [-1,3] with n = 8 subintervals
*Round only one decimal place* #18
(a)
Approximate the area under the curve using the given Riemann Sum
f(x)=51x3−x+7
Midpoint Riemann Sum on the interval [-1,2] with n = 3 subintervals
Round three decimal places. #19
(a)
What is the formula used to approximate the area under the curve? #20
Δx=nb−a
Δx=na−b
Δx=an−b
Δx=ba−n
แป้นคำตอบHW Introduction to the Definite Integral
คำถามทั้งหมด: 20
1.4914
Middle Riemann Sum
definite integral
26
28 units2
six uniform subdivisions
The area from the curve to the x-axis from x = a to x = b
23
34
10
10
2(3) + 2(4) + 2(5) + 2(7)
44
32/3
Δx=nb−a
