Question

8

o
6
4
2.
.
Which function is graphed?
-8
-6
-4
2
4
6
8
-2 0
-2.
-6
-8

Answer 1

Notice that for the function:

for x lesser than 2, f(x)=x^2+4 and for x greater or equal to 2 f(x)=-x+4.

`f(x)=\begin{cases}x^2+4\text{ for x<2} \\ -x+4\text{ for x}\ge2\end{cases}`