Functions and Limits

Is this graph a function or not a function? 

• Function 
• Not a Function

Answer by True or False.
This is graph of a function

• True
• False

Answer by True or False.
This is not a graph of a function

• True
• False

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

• 7
• -2
• -9
• -10

• A
• B
• C
• D

What is the domain of this function?

• (-infinity,4]
• (-infinity,0]
• [4,-infinity)
• [0,infinity)

What is the range of this function?

• (-infinity,4)
• (-infinity,0]
• [0,-infinity)
• [0,infinity)

What is the value of f(x) when x = -2

• 3
• -2
• 2
• Undefined

What is the limit of the function as x approaches 1 from the left?

• DNE
• 1
• 4
• -2

What is the limit of the function as x approaches -4?

• 2
• -4
• Does Not Exist (DNE)
• -2