Which relation is also a function

Anna is no more than 3 years older than 2 times jamie’s age. jamie is at least 14 and anna is at most 35. which system of linear inequalities can be used to find the possible ages of anna, a, and jamie, j?

What statement is true? 2x^2-9x+2=-1

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.