Checking and securing understanding of moving between function notation and the definition

12 questions

1. A ___ uniquely maps values from the domain to values in the range.
2. If \text{f}(x)= 5x-4 what is the value of \text{f}(3) ?
3. If \text{g}(x)= x^2- 3x what is the value of \text{g}(4) ?
4. Expand and simplify (x+3)^2.
5. Simplify 3(4(2x+1)-5).
6. If \text{f}(x) = 2x + 4 and \text{g}(x) = 3x- 2, what is an expression for \text{fg}(x) ?
7. Match up these manipulations of \text{f}(x) to their definitions.
8. If \text{g}(x)=3x-5 match up these manipulation to their value when x=3.
9. When \text{f}(x)=2x+4 which of these is an expression for \text{f}(x+3)?
10. When \text{f}(x)=x^2+4x which of these is an expression for 2\text{f}(x)?
11. When \text{f}(x)=5-3x which of these is an expression for 2\text{f}(x-4)?
12. When \text{f}(x)=2x-x^2 which of these is an expression for \text{f}(3x)-2?

License: OGL