### Home > CCA2 > Chapter A > Lesson A.1.2 > ProblemA-25

A-25.

Determine the domain and range of each of the following graphs. Homework Help ✎

• To determine the range, locate the vertex of the parabola.

• Domain: all numbers
Range: $y\le1$

• See part (a).

• See part (a).

• Domain: all numbers
Range: $y\ge−1$