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bogdanovich [222]
3 years ago
8

State the restrictions, if any. F(x)= x/x2-81

Mathematics
1 answer:
Crazy boy [7]3 years ago
3 0

Answer:

f=1/x^2-81

Step-by-step explanation:

Step 1: Multiply both sides by x^2-81.

fx3−81fx=x

Step 2: Factor out variable f.

f(x3−81x)=x

Step 3: Divide both sides by x^3-81x.

f(x3−81x)

x3−81x =x x3−81x f= 1 x2−81

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Please help! I'll give brainliest to whom is correct!
olga2289 [7]

Answer:

I THINK IT IS THE LAST ONE

Step-by-step explanation:

8 0
3 years ago
Can someone please fill in blank ASAP
Annette [7]

Answer:

The quotient is 48.

Step-by-step explanation:

Estimate the quotient using compatible numbers:

45 (or I guess any number close the answer above, not sure tbh)

Multiply the estimate by 21:

945

45*21

Is the estimate to high or too low?

too low

Adjust and continue until the product is 1008.

1008/21=48

Have a good day/evening! I hope my answer is correct!

8 0
1 year ago
A football team of 11 players has a mean height of 1.83m. One player is injured and is replaced by a player of height 1.85m. The
trapecia [35]

Answer:

As the average has increased the height of the new player must be more then the height of the player which was injured.

The difference between the previous average and the new average is 0.01 m.

Therefore the average is increased by 0.01 m.

Therefore the total height of all the players is increased by 0.01*11=0.11 m

Therefore as the increase in the total height is made by the player with height 1.85 m,the height of the player who was injured is 1.85–0.11=1.74 m

The height of the player who was injured is 1.74 m

Step-by-step explanation:

7 0
2 years ago
Can someone help me out on this math problem?
denis-greek [22]

1 ,3, 1

The first one is 1 the second is 3 and the last one is 1

8 0
2 years ago
Can someone help me with number 2. Please explain your answer.
yKpoI14uk [10]
4x+y = 20
3x+y = 2
4x+y-3x-y = 20-2
x = 18

3x+y = 2
3.18 + y = 2
54 + y = 2
y = -52
6 0
3 years ago
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