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
Amiraneli [1.4K]
4 years ago
6

Given f(x) = 3x + 4. Find F-1(7) Please help I’ll give you brainiest answer 100points!!!!!

Mathematics
1 answer:
Musya8 [376]4 years ago
6 0

Answer:

f⁻¹(7) = 1

Step-by-step explanation:

Step 1: Write out function

f(x) = 3x + 4

Step 2: Find f⁻¹(x) (or known as inverse f(x))

y = 3x + 4

x = 3y + 4

-3y + x = 4

-3y = 4 - x

y = -4/3 + x/3

Step 3: Plug in 7 into inverse f(x)

f⁻¹(7) = 7/3 - 4/3

f⁻¹(7) = 3/3

f⁻¹(7) = 1

You might be interested in
WILL DO BRAINLIEST!!!! Suppose the store wants to earn a daily profit of $150 from the sale of soccer balls. To earn this profit
lara [203]
Think about it this way, what is 5x3??? 15 right. Ok then what is 5x30???? 150. So the store should sell each soccer ball for $5 each:)
6 0
4 years ago
Read 2 more answers
What is 0.55555 as a fraction
Mandarinka [93]

Answer:

the answer is 1/5

7 0
4 years ago
Write the word sentence as an equation.
____ [38]

Answer:

9+1/4g = h

Step-by-step explanation:

5 0
3 years ago
If I missied 4 questions on a 14 problem math paper, what grade would I get?
Marizza181 [45]

if you do 14-4 which is equal to 10


6 0
4 years ago
Read 2 more answers
Which is the 30o-60o-right triangle theorem?
Dafna11 [192]
A 30 60 90 triangle is when one angle is 30, another is 60 and the other one is 90. and the side across from the 30 is x(1) and the one across from 60 is x rote 3(rote 3) and across from 90 is 2x(2).
3 0
3 years ago
Other questions:
  • If Mrs Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups
    15·1 answer
  • Can someone please solve this?
    14·1 answer
  • Enter the equation of the circle described below. <br> Center (-1,4), radius = sqrt3
    9·2 answers
  • Jenny plans to have two children but doesn't know if they will be boy-boy, girl-girl, or boy-girl. What is the probability that
    6·2 answers
  • What is the area of the parallelogram
    10·2 answers
  • What is 1 divided by 6 1/7
    7·2 answers
  • Factor each by using the GCF.<br> a) 36x+81 b) 24a+36
    8·2 answers
  • Plot the points A (-3, 5), B(-3, -4) , C(2, -4) and D(2, 5) on the Cartesian
    15·1 answer
  • What is the symbol of an inverse function​
    14·1 answer
  • JO. Jeff buys 3 boxes of cereal for $2. 99 each a gallon of
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!