Math lesson quiz

Average Rate of Change is also known as

• y-intercept

• slope

• x-intercept

• linear

Which of the following graphs has the largest average rate of change from [-1, 2]?

• 
• 
• 
• 

f(x) = 2x² + 12x + 16
What is the average rate of change of f(x) on the interval [-3,-2]?

• -2

• -1/2

• 1/2

• 2

Output can be denoted as

• y

• independent variable

• f(x)

• dependent variable

Input can be denoted as

• x

• f(x)

• independent variable

• Mr. Nguyen Please I need a good score on this

On what Interval(s) does the graph concave down?

• (4, ∞)

• (-∞, -4)

• (0, 4)

• (-∞, -4)

Find the equation of the secant line that intersects the curve y = x^2 at x = -1 and x = 3

• y = -2x+3

• y = 2x-3

• y = x+3

• y = 2x+3

On what interval(s) is the graph concave up?

• x > b

• (0, ∞)

• (∞, 0)

• ℝ (all real numbers)

The figure shows the graph of a function 𝑓. Let a, b, c, d, and e represent the x-coordinates at those points. Of the following, which is a point of inflection?

• Point a

• Point b

• Point c

• Point d

• Point e

What is Mr. Nguyen's rate from 0 to 2 seconds?

• 2.5 feet per second
• .4 feet per second
• 5 feet per second
• .2 feet per second