Functions and their inverses

There are 16 NRICH Mathematical resources connected to Functions and their inverses
Maths Shop Window
problem

Maths Shop Window

Age
16 to 18
Challenge level
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Make a functional window display which will both satisfy the manager and make sense to the shoppers
Function Pyramids
problem

Function Pyramids

Age
16 to 18
Challenge level
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A function pyramid is a structure where each entry in the pyramid is determined by the two entries below it. Can you figure out how the pyramid is generated?
Rational request
problem

Rational request

Age
16 to 18
Challenge level
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Can you make a curve to match my friend's requirements?
Curve match
problem

Curve match

Age
16 to 18
Challenge level
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Which curve is which, and how would you plan a route to pass between them?
Equation matcher
problem

Equation matcher

Age
16 to 18
Challenge level
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Can you match these equations to these graphs?
PCDF
problem

PCDF

Age
16 to 18
Challenge level
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When can a pdf and a cdf coincide?
Real-life equations
problem

Real-life equations

Age
16 to 18
Challenge level
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Here are several equations from real life. Can you work out which measurements are possible from each equation?
Pitchfork
problem

Pitchfork

Age
16 to 18
Challenge level
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Plot the graph of x^y = y^x in the first quadrant and explain its properties.
Area L
problem

Area L

Age
16 to 18
Challenge level
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By sketching a graph of a continuous increasing function, can you prove a useful result about integrals?