If f(x) = 6(3x - 2), find f(5).

Answer 1

If f(x) = 6(3x-2), what is f(5)?

substitute 5 for all the x's in the function:

f(x) = 6(3(5)-2)

follow the order of operations to solve:

f(x) = 6(15-2)

f(x) = 6(13)

f(x) = 78