Evaluating Functions

Front

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

Back

f(1) = 3

Front

f(x) is the same thing as ______.

Back

y

Front

If f(x) = 2x + 1, what would be your first step to find f(1)?

Back

Plug a 1 in for all the x's

Front

If a question asks you to find f(2), what does that mean?

Back

Let x = 2

Front

Evaluate f(x) = x^2 for f(-8).

Back

64

Front

What is the definition of a function?

Back

A relation that assigns exactly one output for each input.

Front

What does it mean to evaluate a function?

Back

To find the output of a function for a specific input.

Front

If f(x) = 3x - 5, what is f(0)?

Back

f(0) = -5

Front

What is the output of f(x) = x + 4 when x = 10?

Back

f(10) = 14

Front

If f(x) = x^2, what is f(3)?

Back

f(3) = 9