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MakcuM [25]
1 year ago
13

Estimate L4 and R4 over [0,7] for the function f(x) = 6x^2

Mathematics
1 answer:
jasenka [17]1 year ago
8 0

The value of  L4 and R4 over [0,7] for the function f(x) = 6x² will be 2[2√0 + 2√2 + 2√4 + 2√6] and  2[2√2 + 2√4 + 2√6 + 2√8] respectively.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that the function is,

I'm assuming that you mean the left and right Riemann sums with four equal subintervals when you refer to L4 and R4.

If so, then Δx = (8-0)/4 = 2, and f(x) = 2√x.

L4 = f(0)Δx + f(2)Δx + f(4)Δx + f(6)Δx

L4 =2[2√0 + 2√2 + 2√4 + 2√6]

R4 = 2[2√2 + 2√4 + 2√6 + 2√8]

Thus, the value of  L4 and R4 over [0,7] for the function f(x) = 6x² will be 2[2√0 + 2√2 + 2√4 + 2√6] and  2[2√2 + 2√4 + 2√6 + 2√8] respectively.

Learn more about the function here:

brainly.com/question/5245372

#SPJ2

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A man sold a calculator at a loss of 12℅. If selling price was Rs.7040, what was the cost price?​
Rashid [163]

Answer:

Rs.6195.20

Step-by-step explanation:

So first you need to find 12 % of Rs.7040. Thus:

\frac{12}{100} × 7040 = 844.80

Then you subtract 844.80 from 7040 from which you get  Rs.6195.20

Rs.6195.20 was the cost price.

HOPE THIS HELPED

4 0
2 years ago
Sin30=cos(2x) then x=
Paraphin [41]

Answer:

x = 30.

Step-by-step explanation:

Use the identity sin A = cos (90 - A).

So sin 30 = cos (90 - 30) = cos 60.

cos 2x = cos 60

so x = 30.

8 0
3 years ago
The area of this polygon.
Andreas93 [3]
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7 0
3 years ago
In ten minutes he traveled 8 miles Write the equation for the relationship between x and y.
Westkost [7]

Answer:

Step-by-step explanation:

The trick here is to make sure that the units are standard units, like miles / hour.

10 minutes = 10 / 60 hours.

k = 1/6 of an hour

y = k x

k = y/x

k = 8 miles / 1/6 of an hour

k = 8 * 6 // 1/6 * 6

k = 48 miles / hr

y = k x

y = 48 * x

7 0
2 years ago
A store is having a sale on almonds and jelly beans. For 6 pounds of almonds and 2 pounds of jelly beans, the total cost is 20.
Lesechka [4]

Answer:

Each pound of almonds is $2.25 and each pound of jelly beans is $3.25

Step-by-step explanation:

Create a system of equations where a is the cost for a pound of almonds, and j is the cost for a pound of jelly beans

6a + 2j = 20

3a + 5j = 23

Solve by elimination by multiplying the bottom equation by -2, then adding them together

6a + 2j = 20

-6a - 10j = -46

Add them together, then solve for j

-8j = -26

j = 3.25

Solve for a by plugging in 3.25 as j into one of the equations

6a + 2j = 20

6a + 2(3.25) = 20

6a + 6.5 = 20

6a = 13.5

a = 2.25

So, each pound of almonds is $2.25 and each pound of jelly beans is $3.25

3 0
3 years ago
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