Function notation (advanced)

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Examples

Lessons

Introduction to Function Notation
If $f(x) = 5x^2-x+6$ $f (x) = 5 x^{2} - x + 6$ find the following
1. ${f(\heartsuit)}$
2. ${f(\theta)}$
3. ${f(3)}$
4. ${f(-1)}$
5. ${f(3x)}$
6. ${f(-x)}$
7. ${f(3x-4)}$
8. ${3f(x)}$
9. ${f(x)-3}$
Express a Function as $f($
$)$
If ${f(x) = \sqrt{x},}$ $f (x) = x,$ write the following in terms of the function ${f.}$ $f .$
1. ${\sqrt{x}+5}$
2. ${\sqrt{x+5}}$
3. ${\sqrt{2x-3}}$
4. ${-8\sqrt{x}}$
5. ${-8\sqrt{2x-3}}$
6. $4\sqrt{x^{5}+9}-1$
Find the Value of a Function from Its Graph
Find the value of the following from the given graph
1. ${f(3)}$
2. ${f(0)}$
3. ${f(-5)}$
4. ${f(x)=5,x=?}$
5. ${f(x)=-1,x=?}$
6. ${f(x)=0,x=?}$

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