If f(a)=4a+6b+8, what is the value of (f(3a)-f(2b)) ? Select the correct option
A) 6a+8b+6	B) 8a-6b	C) 5a+3b-8	D) 6a+7b+3	E) 8a-2b+9
f(a)=4a+6b+8   f(3a) = 12a+6b+8   f(2b) = 4a+12b+8   (f(3a)-f(2b)) = 12a+6b+8-4a-12b-8 = 8a-6b   Answer is 8a-6b
<result>B</result>
If f(a)=4a+6b+8, what is the value of (f(3a)-f(2b)) ?