Substitute 10 into f(x) and 6 into x. Here are some examples of equations that you can make for f(6) = 10:
f(x) = x + 4
f(6) = 6 + 4 = 10
f(x) = 2x - 2
f(6) = 2(6) - 2
= 12 - 2
= 10
f(x) = 3x - 8
f(6) = 3(6) - 8
= 18 - 8
9.4m questions
12.2m answers