1 — Identifying and Evaluating Functions
Identify and evaluate functions.

Which of the following equations is a function?


a.)
2 y minus 14 equals 4 x squared


b.)
y to the power of 4 plus 30 equals 10 x


c.)
10 x squared plus 2 y squared equals 40


d.)
y squared plus 4 x equals 5 x squared plus 36