Given : f(x) = 3x + 1
We get f(2) by substituting x = 2 in the given Function
⇒ f(2) = 3(2) + 1
⇒ f(2) = 6 + 1 = 7
Option C is the Answer
620.25 u calculate 7443 and divide that by 12
8x+800-3=837
8x=837-797
8x=40
x=40/8
x=5
30% percent is what they marked up