You take random sample of 200 200
people from Salinas and find that their average income is $48,000
$
48
,
000
per year with a standard deviation of $9000
$
9000
. Also assume that population incomes are normally distributed.
Approximately how many people make between $39,000
$
39
,
000
and $57,000
$
57
,
000
?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −6 0 −3 1 0 g(x) g(x) = 4x − 5 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)