A function is shown: f, left bracket, x, right bracket, equals, start fraction, 2, divided by, 3, end fraction, x, plus, 3f(x)=
3
2
x+3
What is the value of f, left bracket, 18, right bracketf(18) ?
To find the value of f(18), we need to substitute x = 18 into the given function:
f(x) = (2/3)x + 3
f(18) = (2/3)(18) + 3
f(18) = 12 + 3
f(18) = 15
Therefore, the value of f(18) is 15.