1) what is function notions? 2) why is function notation used? 3) what does it mean by the expression f(x)?

1. function notation is the way a function is written.

2.the use of function notation makes it clear which is the dependent variable and which is the  independent variable in a functional relationship.

3.It means a formula, named f, has x as its input variable". It does not mean "multiply f and x''.

both the histogram and the stem and leaf plot will visually show how many shoppers were of various ages within each range of data.   the histogram does not give us the specific ages of these shoppers unlike the stem and leaf plot.a histogram does not give us a true range of the data because we do not know exactly how old the shoppers were. a stem and leaf plot will give exact ages, so we can determine the exact range along with all measures of center and the others measures of center.   with the histogram, we cannot find any of these.

step-by-step explanation: