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Bumek [7]
3 years ago
10

If f(x)=3x, what is f-'(x)?

Mathematics
1 answer:
hichkok12 [17]3 years ago
7 0

Answer:

f^-1(x)= 1/3 x

Step-by-step explanation:

y = 3x

To find the inverse, exchange x and y

x = 3y

Solve for y by dividing by 3 on each side

x/3 = 3y/3

1/3x = y

The inverse is 1/3x

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-5w=7-4w+8<br>need help and need my work shown ​
Anestetic [448]

Answer:

w = -15

Step-by-step explanation:

-5w = 7 - 4w + 8

Grouping like terms together,

-5w+4w = 7+8

-w = 15

w = -15

6 0
2 years ago
2[3(4^2 +1)] - 2^3.
Sav [38]

Answer:

94

Step-by-step explanation:

Do parentheses first, exponents inside them first. 4^2 = 16, + 1 is 17, then multiply by the 3 outside to get 51, then multiply by the 2 outside that to get 102, - 2^3 which is -8 = 94

7 0
3 years ago
Please help me in this:
Svetlanka [38]
What exactly do you need help with?!
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2 years ago
Necesito saber el procedimiento
Jobisdone [24]
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5 0
3 years ago
Carrie gave her hairstylist a $4.20 tip. The tip was 15% of the cost of the haircut. Write an equation to find h, the cost of th
Alona [7]

Answer:

28

Step-by-step explanation:

you could wright the equation like 15/100=4.20/x

All I did is 100 divided by 15, which is 6.6666667, and then multiply that number by 4.20.

I hope this helped you!

4 0
2 years ago
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