Question

Help please. I'll attach question.

Answer 1

the range of a is going to be the domain for b
since we have b(a(x))

Answer 2

now let me ask you what is the range of a?

Answer 3

you understand what is range yes?

Answer 4

i guess you don't want to talk

Answer 5

Sorry I was away from the computer

Answer 6

$$ \Large {
b(a(x)) = b ( 3x+1) = \sqrt{ (3x+1) - 4) }

}
$$

Answer 7

hint, the radical can only take nonnegative values (since the square root of a negative is undefined)

Answer 8

In other words, the domain is $$ \Large 3x+1 -4 \geq 0 $$

Answer 9

ok