Increasing and Decreasing Quadratics

Where is the function increasing?

• y≤1

• y≥1

• y≥-2

• y≤-2

Where is the function decreasing?

• y≤1

• y≥1

• y≤2

• y≥2

Where is the function increasing?

• y≤1

• y≥1

• y≤-4

• y≥-4

Where is the function decreasing?

• y≤2

• y≥2

• y≤4

• y≥4

The intervals in which the function f given by f (x) = x² – 4x + 6 is increasing is

• none of these

y = x² - 4x + 5

• down and down

• down and up

• up and down

• up and up

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Which of the following represents a quadratic function?

Where is the function decreasing?

• y≤0

• y≥0

• y≤1

• y≥1

Where is the function increasing?

• y≥-1

• y≤-1

• y≥3

• y≤3