Find the value of f(4).
x=6
ܢ
ܘܩ
ܟ
ܗ
ܘ
ܕ
-3
-4
-10-9-8-7-6-5-4-3-2-1 2 3 4 5 6 7 8 9 10
-5
4
-6
3
99876SIMN1
10
X