1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MAVERICK [17]
3 years ago
8

If f(x) =1/9 x-2, what is f-1(x)?

Mathematics
2 answers:
Sav [38]3 years ago
7 0

Answer:

f^-1(x) = 9(x+2)

Step-by-step explanation:

To find the inverse function, exchange x and y and then solve for y

y = 1/9 x -2

Exchange x and y

x = 1/9 y-2

Solve for y

Add 2 to each side

x+2 = 1/9 y-2+2

x+2 = 1/9y

Multiply each side by 9

9(x+2) = 9*1/9y

9(x+2) = y

The inverse function

f^-1(x) = 9(x+2)

Leto [7]3 years ago
7 0

Answer:

9x+18

Step-by-step explanation:

f^{-1} means they want you to find the inverse function of y=1/9 x-2.

The inverse is just a swapping of x and y.

People tend to remake the y part the subject again because they want to write it as a function.

Let's start:

y=\frac{1}{9}x-2

Swap x and y:

x=\frac{1}{9}y-2

Now it's time to solve for y:

Add 2 on both sides:

x+2=\frac{1}{9}y

Multiply both sides by 9:

9(x+2)=y

Distribute:

9x+18=y

So The inverse function is:

f^{-1}(x)=9x+18

You might be interested in
How do you do this question?
Bess [88]

"T<u>he function is decreasing":</u>

This means the slope of the function will be negative at the given point.  Anywhere the line is going down, from left to right, is decreasing.  This eliminates choices A and C.

<u>"The function is concave down":</u>

This means the curve of the function will be open down (think of an upside down u).  This eliminates choice E.

<u>"f(x)>0":</u>

This is anywhere the curve is above the x axis.  This eliminates choice D.

The answer is Choice B) x=2.

Hope this helps!!

3 0
3 years ago
Evaluate 5c+cd when c=1/5 and d=15
oee [108]
5*1/5+1/5*15=4
    1  +  3   =4

This should equal 4 if I did this correctly.
4 0
3 years ago
4x + 1/3 y 2 what is the value of the expression above when x = 2 and y = 3
GenaCL600 [577]
Hoi!

To solve this, first plug in the values for x and y.

x = 2, so anywhere you see x, put 2 in its place.

y = 3, so anywhere you see y, put 3 in its place.

4(2) +  \frac{1}{2}(3)

4 × 2 = 8

\frac{1}{2} × 3 = 1 \frac{1}{2}


8 +1 \frac{1}{2} = 9 \frac{1}{2}

9 \frac{1}{2} is your answer.



4 0
2 years ago
Read 2 more answers
Plz help!!! I have a bad grade as it is and i don't want to drop it
Travka [436]
Answer: \\ The\: area\: of\: the\: shaded\: region\\ =Area\: of\: square - Area\: of\: circle\\ = {28}^{2} - 3.14 \times {14}^{2} = 784 - 615.44 = 168.56 \: {in}^{2}
5 0
2 years ago
Starting time 6:57 elapsed time 47 minutes
ExtremeBDS [4]
6:57----> 7:00= 3 minutes. 47-3= 44 7:00+44= 7:44 Your end time is 7:44
5 0
2 years ago
Other questions:
  • Shelby’s recipe says to add 3/4 cup of brown sugar and 1/8 cup of white sugar how much sugar recipe call for altogether
    11·1 answer
  • 35,000 meters Equals How many kilometers
    12·2 answers
  • Find sin 0. <br> 15<br> 8<br> 0<br> please help! very important
    8·1 answer
  • A bag contains 100 apples, 100 bananas, 100 oranges, and 100 pears. If I pick one piece of fruit out of the bag every minute, ho
    11·1 answer
  • Which one of these shapes is not like the others?<br><br> Shape A<br> Shape B<br> Shape C
    6·2 answers
  • The frequency table below will be used to make a histogram. What ia an appropriate scale and interval for this histogram?
    10·2 answers
  • Does anyone know the answer to the question below.
    14·1 answer
  • Which of the following must be true about p?
    10·1 answer
  • 5 = 5/8x + 1/2x - 4 with work please :) its due in a couple minutes ​
    13·1 answer
  • If p-1/p = 4 Find (p+1/p)²​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!