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julia-pushkina [17]
3 years ago
6

What represents the inverse of the function f(x)=4x

Mathematics
1 answer:
Yuki888 [10]3 years ago
4 0

Answer:

\frac{x}{4}

Step-by-step explanation:

The given function is

f(x) = 4x

As we know

f(x) = y, which implies x= f^{-1} (y)

Therefore,

y = 4x

x = \frac{y}{4}

as x= f^{-1} (y)

So,

f^{-1} (y) = \frac{y}{4}

replacing y by x in the above expression

f^{-1} (x) = \frac{x}{4}

So our inverse function is  \frac{x}{4}

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Convert 5 kilograms to grams
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Answer:

5000

Step-by-step explanation:

hmu if you need more help! :D

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3 years ago
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Help me with any of these please
kumpel [21]
K, so here we go:
1. 3/4 + 3/4. When adding fractions, you only add the numerator or whole numbers (doesn't have a whole number, but the numerator's are the top numbers) NOT the denominator (bottom number) Add 3+3, and this gives you 6. Keep the 4 the same, and you get 6/4. The answer is 6/4, but you can make this a proper fraction, and say it's 1 and 2/4 (one is the whole number, it's like the 4 in number 3)

2. 2- 1 and 1/8. This is just subtraction, subtract the whole numbers first. 2-1=1. now, assume the 2 is 2 and 0/8, and you just took away 1. Now, it's 1 and 0/8. Now, take away another 1/8 and you get 7/8

3. Just division. The Answer is 3/2, or 1 and 1/2

4. Simple division again. Divide 15 by 3. You get 5. This is 1/3 of 15, because 5*3=15.

5. An 8 sided polygon is known as an octagon. 

6. A=B*H (Area= base times height.)

7. A quarter is 4. It takes 4 quarter pounds to make a pound (think like money. a quarter is 25 cents. it takes 4 quarters to make a dollar. If you want 60 dollars, how many quarters would you need?) Well, take 60*4, and you get 240. You can make 240 quarter pounders from 60 pounds of meat.
___________________________________________________________
 TO CLARIFY:
1= 6/4 OR 1 and 2/4
2= 7/8
3=3/2 OR 1 and 1/2
4=5
5=Octagon. 
6: A=B*H
7. 240 quarter pounders


7 0
3 years ago
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The price of a book is $45 the sale tax is 4.5% what is the total price of the book​
Murljashka [212]

Answer:

About 47.03 dollars

Step-by-step explanation:

4.5 percent of 45 is 2.025.

Add that to original price of 45.

Round to the nearest tenth.

Hope this helps!

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3 years ago
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How do u solve these?
MissTica
Hellllllooooo I hope it help

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3 years ago
Johnny is saving money to buy a PS 5. He already has $30 in the bank and gets $10 per week allowance for doing his chores. Write
Inga [223]

Answer:

10x + 30 = 600

Step-by-step explanation:

Johnny gets $10 per week, which is $10x for x number of weeks.

He already has $30, so his money becomes 10x + 30.

His goal is to have $600, so our equation becomes 10x + 30 = 600

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3 years ago
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