Answer:
x=5
Step-by-step explanation:

cross multiply
45=9x
solve for x by dividing 9 to get x alone
5=x
Step-by-step explanation:
Domain is the range of x-values for the function to be defined.
Domain of f(x) = [2,9]
Domain of g(x) = [2,9]
In all the cases, the number is multiplied by itself and added 1 to it. so the answer is 26
Does x need to be plugged in?