JUST ANSWER PART B I REALLY NEED HELP

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

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.