Functions and Graphs

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889
Question 36
Medium

The function f f\,f is defined by

f(x)=x2+4x+1,x∈R f(x) = x^2 + 4x + 1, \quad x \in \mathbb{R} f(x)=x2+4x+1,x∈R
a.

Find the range of f(x)f(x)f(x)

[3]
b.

Explain why the function f(x)f(x)f(x) does not have an inverse

[1]

Functions and Graphs Questions

  1. A Level
  2. /Maths
  3. /Functions and Graphs