Undo f(x) = x³ + 2: which formula takes the output back to x? | StemPy Lab

Help Contact For teachers and institutes

Mock Tests Classes Groups

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Dashboard
My Content
Profile
Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Undo f(x) = x³ + 2: which formula takes the output back to x? | StemPy Lab

Quizzes
Undo f(x) = x³ + 2: which formula takes the output back to x?

MathematicsMediumHigh School (11–12)Functions and Calculus › Composite and Inverse Functions Functions and Calculus › Relations and Functions

Created by StemPy Lab

Undo $f(x) = x^3 + 2$ : which formula takes the output back to $x$ ?

← All Quizzes

← f(x) = ax + b with a > 0, and f(f(x)) = 4x + 9. What is a + b?Which of these machines, run twice in a row, always gives back its input? →

More onFunctions and Calculus › Composite and Inverse Functions Functions and Calculus › Relations and Functions

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

f(x) = (x + 3)/(x - 1). Find f(f(2)).Medium
f(x) = 4x - 3. Find f⁻¹(25).Easy
f(x) = x² + 2 and g(x) = 3x - 1. Find (g ° f)(2).Easy
Two different prizes go to two of six students, and no student gets both. In how many ways can…Easy
A and B are finite sets. A function from A to B that is one-one and onto exists exactly whenMedium

All questions on this topic →

Problems on this topic

Let f(x) = x - 4 and g(x) = 2x. Find (g ° f)⁻¹, and check that it equals f⁻¹ ° g⁻¹ but not g⁻¹ °…Medium
A has 3 elements and B has 6 elements. How many functions are there from A to B?Medium
f(x) = -x² + 9 is a function from ℝ to ℝ. Is it onto? Change the codomain so that it becomes onto.Easy
Show that f(x) = 4 - 3x is one-one. Show that g(x) = x² + 6x is not one-one on ℝ.Medium

All problems on this topic →