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murzikaleks [220]
2 years ago
13

How to know the derivative of a function by looking at the graphs?

Mathematics
1 answer:
ozzi2 years ago
6 0
The derivative is the gradient.

At any local Max's or min's the derivative graph will cut the x axis.

For example a graph x^2
The derivative will have a positive gradient as the gradient is increasing at the lower values then at x=0 the gradient is 0 so the derivative graph will pass the point (0,0). Remember that the derivative graph will be linear.

To get more detail find the points the graph crosses the x axis and put into for a(x-q)(x-p)=0 you will have to solve for 'a' by finding a point on the graph and substituting it in. Then you can find the derivative of that function and graph it
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Math!! please please helppp!!!
ololo11 [35]

Answer:

D

Step-by-step explanation:

you can use the slope intercept form: y = mx + b.

y = y cooordinate

m = slope

x = x coordinate

b = y intercept

the y intercept is 4.

the point (1, 7) is what we're going to use.

so the new equation is

7 = m + 4 (it would be 1m, but i rewrote it to be mathmatically correct)

subtract 4 from both sides, you should have 3 = m.

the slope is 3

3 0
2 years ago
Mrs Larsen made 12 pillows from 16 yards of the same fabric. How much fabric was used to make each pillow? between what two whol
Zepler [3.9K]
Yards per pillow.....yds/pillow....make sure u put the yds over the pillows when dividing

16/12 = 1.33 (or 1 1/3) yds per pillow....this lies between 1 and 2 yds
4 0
3 years ago
Solve the formula s=4pi r^2 for r
andrew11 [14]

Answer:

The formula to find the surface area of a sphere is to take the radius of the sphere and square it and multiply that amount by pi and then multiply that by 4. This is written algebraically as S=4πr2, where S is the surface area, r is the radius, and the value of π is 3.14.

7 0
2 years ago
What is the value of the expression 9w+5x when w=8 and x=4
Ivenika [448]

Answer:

92

Step-by-step explanation:

You do (9x8) + (5x4). 9x8 = 72 and 5x4=20.  add 72 and 20 and get 92!

8 0
2 years ago
The system of equations y = - 2x + 3 and y = xis graphed. What is the solution to the system of equations ?
nata0808 [166]

Answer:

(1,1)

Step-by-step explanation:

we have

y=-2x+3 ----> equation A

y=x ----> equation B

we know that

The solution of the system of equations is the intersection point both graphs

The intersection point both graphs is the point (1,1)

see the given graph

therefore

The solution is the point (1,1)

Remember that

if a ordered pair is a solution of a system of equations then the ordered pair must satisfy both equations of the system

<u><em>Verify</em></u>

Substitute the value of x=1 and y=1 in each equation and analyze the result

<em>Equation A</em>

1=-2(1)+3

1=1 ---> is true

so

The ordered pair satisfy the equation A

<em>Equation B</em>

1=1 ---> is true

so

The ordered pair satisfy the equation B

therefore

The ordered pair (1,1) is a solution of the system because satisfy both equations

5 0
2 years ago
Read 2 more answers
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