1. The graph shows the mass of a radioactive substance as a function of time. What is the initial mass of the substance?

Enter your answer in the box.

g

2. A computerized video display begins with one polygon on the screen. Additional polygons appear on the screen after each second. The graph shows the total number of sides on the screen as a function time.

Which number is the best estimate for the number of sides on the screen after 3 s?

12

16

24

30

What number produces an irrational number when multiplied by -1.25

The graph shown is the graph of which function?

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given