Question

What is the domain of f + g? Select the correct choice below, if necessary, fill in the answer box to complete your choice.

(30 PTS)

Answer 1

A. { x | x
`\\eq`
`(7)/(9)` }

Explanation:

You can use the denominator in the fraction to find the domain. So when solving for x in 9x-7=0 you should get x=7/9. This tells us that x can not be 7/9 which restricts the domain for (f+g)(x).

domain = { x | x
`\\eq` 7/9 }