Question

please help with the attached graphing problem if you could

Answer 1

a. Does the graph of this equation open up or down? How did you determine this?
In a quadratic equation ax^2+bx+c =0 ; a>0 the graph is open up ; a<0 the graph is open down. here a = -0.2 thus graph is open down.

Answer 2

b. Describe what happens to the tickets sales as time passes.
Sol :- As the time passes the graph of the equation will be slowly decreasing curve.

Answer 3

c. Try calculating the roots of equation and take the integral value of it

Answer 4

e. After how many days will the peak or low occur?
low will occur at x= 60
and peak will occur at x=1