As part of a survey, 16 adults were asked, "How many hours did you spend at your job last week?" The results are shown in the stem-and-leaf display below.

Number of hours worked last week

2 0 7

3 0 3 3 5 7

4 1 3 5 7 8 9 9

5 7 7

Key: 2|0 means 20 hours.

(a) What was the highest number of hours worked overall?

(b) What was the least number of hours worked in the 30s?

(c) How many responses fell in the 20s?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis