carson has 450 in his bank account and deposits 70 per month out of his babysitting money. construct a linear function that model carsons bank balance for any given month. this should be a equation.

at 0 months, Carson has 450, so say his total balance is "y", thus at 0 months

y = 450 ... 0 months

y = 70 + 450 ... 1 month

y = 70+70 + 450 ... 2 months

y = 70+70+70 + 450 ... 3 months

y = 70+70+70+70 + 450 ... 4 months

y = 70 (4) + 450 ... 4 months

y = 70 (x) + 450 ... x months

y = 70x + 450