Understanding Function Evaluation and Simplification

The video tutorial guides viewers through solving a mathematical problem involving the function f(x). It begins by substituting -3 for x in the function, followed by simplifying the expression. The numerator and denominator are simplified separately, leading to the final calculation of f(-3) = 3. The tutorial emphasizes step-by-step simplification and calculation to arrive at the correct result.

What is the first step in evaluating f(-3) for the given function?

• Divide the numerator by the denominator

• Add 5 to the function

• Substitute -3 for x

• Simplify the expression

What is the result of squaring -3 in the simplification process?

• 3

• 9

• 0

• -9

How does the denominator simplify in the expression?

• To 0

• To -3

• To 6

• To -6

What is the final result of f(-3) after completing the division?

• 3

• 0

• 6

• -3

What is the simplified form of the numerator before division?

• -18

• 18

• 0

• 9