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mash [69]
3 years ago
6

Find f(x) and g(x) so that the function can be described as y = f(g(x)). y = eight divided by x squared' + 2 Show your work.

Mathematics
1 answer:
Naya [18.7K]3 years ago
6 0

Answer:

g(x) = (x^2 + 2) and f(x) = 8/x.

Step-by-step explanation:

f(g(x)) =  y = 8 / (x^2 + 2)

g(x) could be x^2 + 2 and f(x) could be 8/x.

g(x) would replace the x in 8/x.

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7 meters/20 minutes= x cm/2 hours
meriva

Answer:4,200

Step-by-step explanation:

4 0
3 years ago
Solving inequalities, what is x/18>27
Lunna [17]

Answer:   x > 486

Explanation:

We have some number x and we divide that by 18. The result is larger than 27. To find possible values for x, we need to undo what is happening to x. The opposite of division is multiplication. We multiply both sides by 18 to cancel out the "18" on the left side, which will isolate x to get it to its own side.

This is what the steps look like

x/18 > 27

18*( x/18 ) > 18*27 .... multiplying both sides by 18

x > 486 ... note the 18's cancel on the left side

So this means x is some number greater than 486.

7 0
3 years ago
What is this problem -12=4(x-7)-8x
Fofino [41]

-12=4(x-7)-8x

One solution was found :

                  x = -4

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :


                    -12-(4*(x-7)-8*x)=0


Step by step solution :

Step  1  :

Equation at the end of step  1  :

 -12 -  (4 • (x - 7) -  8x)  = 0

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :


  4x + 16  =   4 • (x + 4)


Equation at the end of step  3  :

 4 • (x + 4)  = 0

Step  4  :

Equations which are never true :

4.1      Solve :    4   =  0

Hope this helps you, Have a nice day.

4 0
3 years ago
Solve this system of equations: 2x - y = 7 5x + y = 21
JulsSmile [24]
7x= 28 so x is 4 and y is 1.. So (4,1)
7 0
3 years ago
A rock climber is planning to climb a mountain cliff over two days. The climb begins at an altitude of 6,400 feet above sea leve
Furkat [3]

Answer:

D

Step-by-step explanation:

360h+6,400 >8,020, with a solution is h> 4.

3 0
3 years ago
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