Algebra Function

What does the f in "f(x)" usually stand for?

• function

• fraction

• factor

• ****

Evaluate g(5) when g(x)=2x

• g(5) = 2

• g(5) = 5

• g(5) = 7

• g(5) = 10

Evaluate f(10) when f(x)=2x+1

• f(10) = 3

• f(10) = 10

• f(10) = 21

• f(10) = 30

2x + 3x

• 5x

• 6x

• cannot be simplified

• 5 + x

• A

• B

• C

• D

• E

• A

• B

• C

• D

Is this a function or not?

• Function

• Not a Function

Is this list a function or not?

• Function

• Not a Function

f(x) = 2x and g(x) = 2x-7 
Find (f+g)(2).

Mathematical Equivalence

ON

Is this a Function?

• Yes

• No