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4 years ago

Explain the step by step of composition functions

1 answer:

8 0

Composition functions are functions in which the input goes in and the output of the first function becomes the input for the second. You can evaluate these in two ways.

1) You can simply input the x value into the first function. After solving for it's value, you can input into the second one. The output is the composite functions answer.

2) If they only want a new function or you want to do it a different way, you have to put the first function (the whole thing) in for x in every place. You can then simplify.

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A dinosaur park cost $5.00 to enter plus $0.75 taxes. How much does it cost if a family of 4 went to the park

Alekssandra [29.7K]

I think 20.75 i’m not completely sure

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3 years ago

How do you factor 3x^2 + 7x + 2

Svetach [21]

Answer: (3x+1)(x+2)

Step-by-step explanation:

You need to know what multiplied by what equals 2 and adds up to 7. You also need to know what multiplied by what equals 3x^2.

So since 3 has no other factor besides 1 we know that (3x+?)(x+?). 2 has no other factor besides 1 as well so you just need to know where to put the 2 and the 1.

(3x+1)(x+2) is the answer you can FOIL it to check it.

3x multiplied by x is 3x^2

3x multiplied by 2 is 6x

1 multiplied by x is just x or 1x

1 multiplied by 2 is 2

Add like terms: 6x+1x is 7x

So your final answer is (3x+1)(x+2)

3 0

3 years ago

Can I please get help

Elina [12.6K]

7.55t + 100 ≥ 160 ( its greater than r equals to 160)

7.55t ≥ 60
t ≥ 7.95

Minimum number of hours = 8 ( to nearest hour).

4 0

4 years ago

So I need 20 words but I don’t get why so here’s this useless sentence

kherson [118]

Answer:

Oh lol im confused ‍

Step-by-step explanation:

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3 years ago

Read 2 more answers

-4y - 20 +19= -y + 17

Anestetic [448]

Answer:

y= -6

Step-by-step explanation:

-4y - 20 + 19 = -y + 17 *add y on the right to get rid of -y

+y +y then add it to -4y

-3y - 20 + 19 = 17 *add 20 to the left to get rid of -20

+20 +20 then add it to 17

-3y + 19 = 37 *subtract 19 from the left to get rid of 19

-19 -19 then subtrcat 19 from 37 as well

-3y = 18 *now we want to divide both sides by -3 to

-3 -3 get y by it's self

y = -6 *no we're left with y = -6 :D

- im sorry if this doesn't make sense x(

5 0

3 years ago