I’m not very sure how to simplify the two bottom rows, can someone me?

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

What term makes it inconsistent y=2x - 4

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)