Question

I need help with this.

Answer 1

`\begin{gathered} y=a^x \\ P(1,(1)/(2)) \\ Finding\text{ the value of a using P} \\ (1)/(2)=a^1 \\ (1)/(2)=a \\ \text{Hence, the function is} \\ y=(1)/(2)^x \\ From\text{ the graph the domain is (-2,2}\rbrack \\ F\text{inding the range} \\ \text{for x=-2} \\ y=(1)/(2)^((-2)) \\ y=4 \\ For\text{ x=2} \\ y=(1)/(2)^((2)) \\ y=(1)/(4) \\ \text{Therefore the range is (4,}(1)/(4)\rbrack \end{gathered}`