If a(x)=3x+1 and b(x)=square root x-4, what is the domain of (b o a)(x)? answers choices are: -infinity, infinity 0, infinity 1, infinity 4, infinity

How do you do this geometry problem

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)