Math probelm help me Asap! its unit rate PART 2 sorry that i didn't post the pic last time THERES A PICTURE OF THE PROBLEM
15 points for the CORRECT answer.

For what value of (y) is 3^3/3^y =1/9

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2