Find all rational zeros of the polynomial

The total number of photos on hannah’s camera is a linear function of how long she was in rome. she already had 44 photos on her camera when she arrived. then she took 24 photos each day for 6 days. what is the rate of change of the linear function that represents this

#12 find the value of x. #13 find the value of the variable.

Which one ? is the answer and how to find this answer