If a(x) = 3x + 1 and b(x) square root of x- 4, what is the domain of (bºa)(x)?

Domain = [1 ,+∞[

Step-by-step explanation:

We must have 3x + 1 ≥ 4 ⇔ 3x ≥ 3 ⇔ x ≥ 1

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

109 is the nearest whole number/final answer! : )