Evaluate the expression 9 - z9-z9, minus, z when z = 4z=4z, equals, 4

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

Given the expression f (z) = 9-z

To get the value of the resulting value of the function when z = 4, all we need to do is substitute the value of z given into the function to have;

f (4) = 9-4

f (4) = 5

The right answer is 5