Question

Evaluate piecewise functions

Answer 1

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 :

$f(x) = x^2-7$

Therefore:

$f(4) = 4^2-7 = 16-7 =9$