What is the value of 3b-a when a = 3 and b = 4?
A.18
B.9
C.3
D.-3
Substituting the given values into the expression 3b-a, we get 3(4)-3 = 12-3 = 9.
Thus, the value of 3b-a when a = 3 and b = 4 is 9.
Therefore, the correct answer is B. 9.
A.18
B.9
C.3
D.-3
Thus, the value of 3b-a when a = 3 and b = 4 is 9.
Therefore, the correct answer is B. 9.