Evaluating Functions

Front

Evaluate f(x) = x² for f(-8)

Back

64

Front

Evaluate f(x) = -2x + 13 for f(10)

Back

-7

Front

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

Back

1

Front

Evaluate f(x) = -2t² + 1 for f(-3)

Back

-17

Front

Evaluate f(x) = -3(x - 1) for f(0)

Back

3

Front

Definition: Function

Back

A relation that assigns exactly one output for each input.

Front

Definition: Evaluating a Function

Back

Finding the output of a function for a specific input value.

Front

Example: f(x) = 2x + 1, find f(3)

Back

f(3) = 2(3) + 1 = 7

Front

Definition: Quadratic Function

Back

A function of the form f(x) = ax² + bx + c where a ≠ 0.

Front

Example: f(x) = x², find f(4)

Back

f(4) = 4² = 16