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1.3 Functions

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Question 49
90%

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]

1.3 Functions Questions

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