Option a. 11 is the right answer
Step-by-step explanation:
To find the value of a function on particular input, the value is put in the function in place of variable
Given function is:

As we have to find f(6) and x>0 the part of function 3x-7 will be used
so,

Hence,
Option a. 11 is the right answer
Keywords: Functions, Variables
Learn more about functions at:
#LearnwithBrainly
Hope this helps. It has the y and x intercepts on the graph.
Answer:
12x - 6
Step-by-step explanation:
8x - 3 + 4x - 3
12x - 6
x = - 2
Pays $94
brushes = $40
94 - 40 = 54
54 ÷ 6 = 9
each can of paint costs $9