Question

the table shows the relationship betweenthe total cost of movie tickets y and the amount of people x who attended to movieX,5,6,7,8,9,y,35,42,49,56,63 which best describes the function in the table from x = 5 to x = 9A. negative and decreasingB negative and increasingC. positive and increasing D. positive and decreasing

Answer 1

`\begin{gathered} \text{let:} \\ (x1,y1)=(5,35) \\ (x2,y2)=(9,63) \\ m=(63-35)/(9-5)=(28)/(4)=7 \\ 7>0 \end{gathered}`

Therefore, the answer is:

C. positive and increasing