Question

if f(x) = x^2+2x, what is f(x-1)​

Answer 1

Answer:

4

Step-by-step explanation:

$x - 1 = 0 \\ \\ x = 0 - 1 = 1 \\put \: the \: value \: of \: x \: = 1$

Answer 2

Answer:

Step-by-step explanation: