CPM Homework Help : A2C Problem 1-110

For each graph below, what are the domain and range?

Hint:

See the Math Notes in Lesson 1.1.3.

Answer (a):

Domain: $−2 ≤ x ≤ 2$
Range: $−3 ≤ y ≤ 2$

Answer (b):

Domain: $x = 2$
Range: $−∞ < y < ∞$