CPM Homework Help : GB8I Problem 5-54

Interpret each of the following effects on the function, $f(x)$ . For example, $f(x + 2)$ is “the output for the input that is $2$ greater than $x$ ”.

$f(c-4)$
Hint (a):
Use the question as a model for your answer.

$f(0.5b)$
Hint (b):
What operation is being done to the input variable $b$ ?

$f(d) + 12$
Answer (c):
$12$ more than the output when the input is $d$ .