Evaluating Functions

Front

f(x) is the same thing as ______.

Back

y

Front

Evaluate f(t)=-2t^2+1 for f(-3).

Back

-17

Front

Find f(3) for f(x)=6x^2-4x+1.

Back

43

Front

f(x) = 5x + 3. Find f(4x).

Back

20x + 3

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What does it mean to evaluate a function?

Back

To evaluate a function means to calculate the output value for a given input.

Front

If f(x) = 2x + 1, what is f(0)?

Back

1

Front

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

Back

4

Front

What is the domain of the function f(x) = 1/x?

Back

All real numbers except x = 0.

Front

What is the range of the function f(x) = x^2?

Back

All non-negative real numbers.