Find an equation of the line with the given slope and containing the given point. Write the equation using function notation. Slope 4; through (2,1)
The equation of the line is f(x) =

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics