Answers>Maths>IB>Article

find the inverse function of the following: f(x) = 3x-5

in an inverse function, simply put the x and y are inversed: meaning x becomes y, and y becomes x

f(x): y=3x-5

f-1(x): x=3y-5 <=> x+5=3y <=> (x+5)/3 = y <=> (1/3)x + (5/3) = y answer

OT
Answered by Olivia T. Maths tutor

5159 Views

See similar Maths IB tutors

Related Maths IB answers

All answers ▸

IB exam question: Let p(x)=2x^5+x^4–26x^3–13x^2+72x+36, x∈R. For the polynomial equation p (x) = 0 , state (i) the sum of the roots; (ii) the product of the roots.


log8(5) = b. Express log4(10) in terms of b


Factorise z^3+1 into a linear and quadratic factor. Let y=(1+i√3)/2. Show that y is a cube root of -1. Show that y^2=y-1. Find the value of (1-y)^6.


Determine the integral: ∫5x^4dx


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning