Question

What is the value of f(x) = 3x - 5 when x = 6

Answer 1

Plug in 6 for x in the equation:

f(6) = 3(6) - 5

Remember to follow PEMDAS. First, multiply

f(6) = 3(6) - 5

f(6) = 18 - 5

Finally, subtract

f(6) = 18 - 5

f(6) = 13

f(6) = 13 is your answer

hope this helps