Respuesta :
Step-by-step explanation:
f(x) = ax + b
f(5) = 62 => 5a+b = 62
f(14) =98 => 14a+b= 98
________-
-9a = -36
a = -36/-9 = 4
5a + b = 62
5(4) +b=62
20+b = 62
b = 62-20
b = 42
1) f(x) = 4x + 42
2) the money was in the register at the beginning of the day = $42.00 (option d)