d. $0.53 because..
3/5.25 = 1/1.75
5/9.75 = 1.95
7/12.60 = 1.80
10/14.20 = 1.42
12/18.24 = 1.52
then do ;
most expensive deal - least expensive deal = how much he’ll save
1.95 - 1.42 = .53
The range is how much it spans in f(x), f(x) is a line, it has no max/min, so it's enough to substitute the least and greatest values of your domain:
f(-2) = -5, f(4)=7,
Range = [-5,7]
Here :2(6.02*10^23)(3.35*10^-23)
2*6.02*3.35
answer : 4.0334*10^1
hope this helped !
The absolute value of a number is always positive. It is the distance the number is away from zero.
|-22| = 22
