Atriangle can be formed with side lengths 6, 8 and 14. true false

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Just tell me how to set up the equation.

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