5.7 wu

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67

f(1) is _____.

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

Over which interval is the function decreasing?

• (0, 3)

• (13, 18)

• (3, 13)

• (.75, 2.5)

What is the x and y intercept for the following equation ?
4x - 10y = 20

• x - int = 4    
  y-int = -10
• x-int = 5
  y-int = 2
• x - int = 5
  y int = -2
• x -int = 4
  y -int = -10

What are all the y-intercepts?

• (0, -6.25)
• (-3,0), (-2,0), (2,0), (3,0)
• (0, 36)
• (-∞, ∞)

Does the graph provided qualify as a function? _____

What is the minimum of this graph?

• (-2,6)
• (-0.5,-3.5)
• (-1,-3)
• (3,0)

What is the maximum height? (a)  

• 200
• 50
• 3
• 0