CPM Homework Help : CCAA8 Problem 10-138

If $f(x)=x^2−2$ then:

$f(x)−3=(x^2−2)−3$
$\quad\;=x^2−5$

also

$f(2x)=(2x)^2−2$
$\quad\;\;=4x^2−2$

Use these same ideas with $f(x)=(x+1)^2−3$ find these expressions:

Hint:

This problem is similar to problem 10-118 from Lesson 10.3.1.
Use the same methods in that problem to help you with this one.

Use the eTool below to help you with this problem.
Click on the link at right for the full eTool version: CCA 10-138 HW eTool