If the function f is defined as f= 1-2x^3 find the inverse f^-1

Set the function equal to y so y=1-2x^3now rearrange this to set x as the subject 2x^3= 1-yx^3 = (1-y)/2x = ((1-y)/2)^1/3therefore the inverse is f^-1 = ((1-x)/2)^1/3

KK
Answered by Kavita K. Maths tutor

2738 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the indefinite integral ∫(x^2)*(e^x) dx (Edexcel C4 June 2013 Question 1)


A girl saves money over 200 weeks. She saves 5p in Week 1, 7p in Week 2, 9p in Week 3, and so on until Week 200. Her weekly savings form an arithmetic sequence. Find the amount she saves in Week 200. Calculate total savings over the 200 week period.


When integrating, why do we add a constant to the resulting equation?


Use the substitution u=cos(2x)to find ∫(cos(2x))^2 (sin(2x))^3dx


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences