US4_5A

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because the x-value has one y-values pair with it

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

You can identify a function from a graph by using the.....

• Horizontal Line Test

• Vertical Line Test

• Eye Test

• Diagonal Line Test

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

• -1

• 1

• -5

• 5

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20

• 10

• 5

• 0

Given f(x) = 2x and g(x) = x²+3 , find f(g(x)).

f(x) = 3x + 10 ;

g(x) = x - 2 ;

Find (f∘g)(0)

• 16

• -4

• 4

• None of the above

Find the inverse function

• 
• 
• 
• 

Find the inverse function

• 
• 
• 
• 

Are these functions inverses?

• Yes

• No

• Maybe