MCA - 7.1 - Rational Expressions and Functions

• None

What are the restrictions on the domain?

• x ≠ 3

• x ≠ -1

• x ≠ 3, -1

• x ≠ 3, 1

State the domain restrictions.

• x ≠ 3, -2, 6, -1
• x ≠ -1, 6
• x ≠ 3, -2
• No Domain Restrictions

Simplify

Simplify.

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1