Function Notation and Graphing Linear Functions

Find f(2)

• 5

• 4

• 3

• 0

If f(x) = 3x - 9, find f(5).

• f(5) = 6

• f(5) = 16

• f(5) = -4

• f(5) = 24

Given h(x) = 5 - 9x, find h(8).

• h(8) = -360

• h(8) = -67

• h(8) = 31

• h(8) = 77

What point is represented by g(7) = 14 ?

• (2,7)

• (7,2)

• (14,7)

• (7,14)

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

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

• f(1) = -1

Given the graph, find: \(f\left(2\right)\)

Is this a function? Explain.

• Yes; it passes the horizontal line test.

• No; it is not a straight line.

• Yes; it passes the vertical line test.

• No; there is a line connecting the dots.

For the function f(x) = -3x + 3 find f(0).

• 0

• -3

• 3

• -1

Solve for f(5):
f(5) = -x + 4

• 9 

• 1

• -1

• -9