# Functions: Find the domain and range of the relation

1. Find the domain and range of the relation.

{(5, -3), (-2, 5), (4, 0), (2, 7)}

1. Find the domain and range of the relation. y = 2x + 7
2. Find the domain and range of the relation. y = 5
3. Find the domain and range of the relation.
4. Determine whether a relation is a function.

{(-7, 5), (6, 0), (-2, 7)}

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1. Determine whether a relation is a function.

{(7, 5), (6, 0), (7, -100)}

1. Determine whether the relation defines y as a function of x. -4x2 = y +5
2. Determine whether the relation defines y as a function of x. -4x = 2y2 – 7
3. Determine whether a relation defines y as a function of x. y = -3x +5
4. Given. Find f(-1), f(2), f(u – 1), f(2x+3)
5. Given . Find f(5), and f(2).
6. Given . Find f(11), f (12), f(13), f(20) and f(2).
7. Understand and use piecewise functions.

f(-3), f(0), f(2)
f(-3), f(0), f(2)

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