Functions!

Front

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

Back

1

Front

For the function, y = 2x^4 + 3, which variable represents the input?

Back

x

Front

Given f(x) = 2x^2 + 5x - 17, find f(-1).

Back

f(-1) = -20

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

If f(x) = 3x + 2, what is f(0)?

Back

2

Front

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

Back

All non-negative real numbers.

Front

What does it mean for a function to be linear?

Back

It can be represented by a straight line on a graph.

Front

Evaluate f(3) if f(x) = 4x - 1.

Back

11