Solving Function Notations

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)

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

• -1

• 1

• 5

• -5

Given the function, f, shown on the graph, what is the value of f(3)?

• 0

• 2

• 6

• 1

How do you read f(x)?

• "f x"

• "f of x"

• "f parenthesis x"

• "f with an x inside parenthesis"

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)

Find f(2)

• 5

• 4

• 3

• 0

Is this table a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10