Functions (Part 2)

Front

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

Back

1

Front

What is f(1) if f(x) = x + 4?

Back

5

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

Given f(x) = 2x² + 5x - 17, find f(-1).

Back

f(-1) = -20

Front

Evaluate f(2) if f(x) = 4x - 8.

Back

8

Front

What is the definition of a function?

Back

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

Front

What is the range of the function f(x) = x²?

Back

The range is all non-negative real numbers [0, ∞).

Front

If f(x) = 3x + 1, what is f(0)?

Back

1

Front

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

Back

The domain is all real numbers except x = 0.

Front

Evaluate f(3) if f(x) = x² - 4.

Back

5