Tina volunteered to sell tickets to an upcoming school pay there is a total of 75 tickets available for a cost of three dollars each That’s the problemFor the other question Help me

Therefore,
A.
[tex]\begin{gathered} M(t)=3t \\ \text{where} \\ M(t)=\text{total amount of money Tai receives from ticket sales} \\ t=\text{ number of tickets} \\ \text{For Tia} \\ M(t)=3(75)_{} \\ M(t)=\text{ \$}225 \end{gathered}[/tex]B.
The domain of a function is the set of all input over which the function has defined output. Therefore, the domain of the function is the set of all real numbers.
Plugging/inserting any real number will give a real number as an output.