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Debora [2.8K]
3 years ago
13

How do you find the inverse of this function?

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
5 0
Solve for x then replace x with f⁻¹(x) and y with x


y=(4^x-5)/3
times 3
3y=(4^x-5)
add 5
3y+5=4^x
take log₄ both sides
log₄(3y+5)=x
switch
f⁻¹(x)=log₄(3y+5)
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Which of the following is a rational number?<br><br> a)10<br> b)100<br> c)1000<br> d)100000
earnstyle [38]

Answer:

All of the above

Step-by-step explanation:

10, 100, 1000, 100000 all are rational numbers because you can write them as:

10/1 , 100/1, 1000/1, 100000/1

7 0
2 years ago
The White Russian cocktail contains vodka, Tia Maria and milk in the ratio of 5:2:3. To make the cocktail for a party the barman
stellarik [79]

Answer:

1) 600cm^3            2) 10 glasses

Step-by-step explanation:

x = total amount in ml

(3/10)x = 180ml (MILK)

x = 600ml

(2/10)600 = 120ml (TIA MARIA)

(1/2)600 = 300ml (VODKA)

<em>1) 600cm^3</em>

<em>2) 600ml : 60ml = 10 (GLASSES)</em>

6 0
2 years ago
Asap asap asap asap asap asap asap
IrinaK [193]

Answer:

  4.8

Step-by-step explanation:

JK is twice as long as LM, so is 4.8 units long.

"Similar" means the sides of one figure have the same ratio as the corresponding sides of the other figure. We see that AB = 2×CD. JK corresponds to AB, and LM corresponds to CD.

__

We could bother to calculate that sides of JKLM are 1.2 times as long as the corresponding sides of ABCD, but that is not necessary. We only need to find a convenient ratio between the side we want and some other known side. I like a ratio of 2, because it is easy to double a number. We find AB=2CD, so JK=2LM=2×2.4 = 4.8.

8 0
3 years ago
Read 2 more answers
Im confused on how to do this can someone explain???
sesenic [268]

Answer: you add them all up

Step-by-step explanation: you can get the answer from above and dont trust this answer.

3 0
3 years ago
Please help me! I’m begging you I’ll mark you brainly! I need it by now
Inessa05 [86]

Answer:

Boxes at the top are as follows

Monomial. 1. 4x

Binomial. 2. 4x+2

Trinomial. 3.

Polynomial. More than 3.

{5x}^{4}  +  {2x}^{3}  +  {12x}^{2}  + 135

This would be an example of a polynomial ^

Omit the next highest term to get a trinomial etc

1. 4th degree. Leading term:

{x}^{4}

Leading coefficient: x

2. 2nd degree. Leading term:

- {7x}^{2}

Leading coefficient: -7x

It's a little confusing to read but that should be everything. Sorry it's not organized better

4 0
3 years ago
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