4.1-4.5

Is the following scenario continuous or discrete?
The cost C, in dollars, for delivered pizza depends on the number p of pizzas ordered. This situation is represented by the function rule C = 5 +9p. 

• Continuous
• Discrete

Is the following scenario continuous or discrete?
The amount of water w in a wading pool, in gallons, depends on the amount of time t, in minutes, the wading pool has been filling, as related by the function rule w=3t.

• Continuous
• Discrete

Is the following scenario continuous or discrete?
The number of bagels b remaining in a dozen depends on the number s that have been sold. 

• Continuous
• Discrete

For the function, y = 5x + 1, what is the output when the input is -2?

• y = 9
  
• y = 11
• y = -11
  
• y = -9

For the function, y = 5x² - 45, which variable represents the output?

• y
• x
• s
• p

 For the function, y = x² - 40, what is the output for an input of 10? 

• 50
• 60
• -30
• 30

For the function, y = 2x⁴ + 3, which variable represents the input?

• y
• x
• q
• s

Which of the following function is linear?

• y=3x-2
• y=2x⁵
• y= lxl -4
• y=x²

Which of the following function makes a "U" shape?

• y=x+8
• y= x² - 4
• y= x³
• y= lxl + 2

For the function, y = x + 5, use the following inputs to write a set of ordered pairs.
x = 2
x = 6
x = -1

• (7, 2);(11, 6); (4, -1)
• (-4, 1); (2, 9); (6, 11)
• (2, 7); (6, 11); (-1, 4)
• (1, -4); (9, 2); (11, 6)