Answer:
Option 2
Step-by-step explanation:
Cost of book= 6.50
Shipping= 4.99
Total= 82.99
Equation:
6.50x+4.99= 82.99
Option 2 is correct
No,it is not a function.
a
1 = 1.61
30 = x
1.61 x 30 =
48.3
