how do I solve this when there no number at the beginning?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Find the maximum value of p= 4x + 5y subject to the following constraints :