austinr2132 austinr2132
  • 24-09-2021
  • Mathematics
contestada

If f(x) and f-1(x) are inverse functions of each other and F(x) = 2x + 5, what is f-1 (8)?

Respuesta :

altavistard
altavistard altavistard
  • 24-09-2021

Answer:

3/2

Step-by-step explanation:

Find the inverse function of f(x) = 2x + 5:

1.  Replace "f(x)" with "y:"  y = 2x + 5

2. Interchange x and y:  x = 2y + 5

3. Solve for y:  2y = x - 5, or y = (x - 5)/2

Then f^(-1)(8) = (8 - 5)/2, or 3/2

Answer Link

Otras preguntas

How does the “Sum of Forces” help you? pls helppppppppppppppp
Multiple Choice Question Which of the following would the host agree with as to why the term "Dark Ages" is eurocentric? A. Scientifically speaking, these times
kevin used a 50 dollar bill to pay 4 shirts the cashier give kevin 6.44 of change how much did kevin spend on the shirts
A line has a slope of –3/2 and has a y-intercept of 3. What is the x-intercept of the line? –3 –2 2 3
How is the current debate about immigration rooted in our nation’s past? Needs to be a full paragraph
please help! It's urgent!
What is the slope of the following line?A.3B. -3C. −1/3D. 1/3
Find the perimeter of ABC with vertices (6,1), (-6,5) , (1,1)
i need helppp plsss​
What is the correct algebraic expression to these ?!!! Quickkkk