Answer:
To know if it is a function see if there are two of the same x-intercept( which makes a vertical line). If there is,then it is not a function.
Since a equals 2, 2 plus 27 is equal to 29. So your answer is 29. Hope that helped:)
You add 6% sales tax (4000*.06 = 240) 4000+240 = 4240 So A. is your answer.
