Answer:
F(4) = 9
Step-by-step explanation:
Notice that for f(4), we need to use the function definition for the partitioned Domain that includes x = 4, and that is the expression :
[tex]f(x) = x^2-7[/tex]
Therefore:
[tex]f(4) = 4^2-7 = 16-7 =9[/tex]
