Zonk! Chapter 4 Review.

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Presentation transcript:

Zonk! Chapter 4 Review

Sketch a graph for someone riding a roller coaster Sketch a graph for someone riding a roller coaster. They go up a big hill then down into a loop and ends at the bottom of the loop. Altitude vs. time

List the domain and range:   Domain: {-3, 1, 2} Range: {-5, 0, 4} c t(c) 2 4 1 -5 -3

Model f(x) = -x – 7 using a function table Model f(x) = -x – 7 using a function table. Use -2, -1, 0, 1, 2 for inputs. x f(x) -2 -5 -1 -6 -7 1 -8 2 -9

To bowl you pay $1. 50 for shoe rental and $2. 50 per game bowled To bowl you pay $1.50 for shoe rental and $2.50 per game bowled. Write a function expressing total cost, t, for n games. t(n) = 2.5n + 1.5

Identify the independent and dependent variable: A flower grows 0 Identify the independent and dependent variable: A flower grows 0.75 millimeters every day. Independent: Number of days Dependent: Height of flower

Model y = | x – 1 | + 2 using a graph based on inputs -1, 0, 1, 2. 3 4 3 1 2

With CablePlus, you pay $75 for installation and you get the first 3 months free. After that, it’s $60 per month. Write a function for total paid, t, for n months. t(n) = 75 + 60 (n – 3)

Identify the independent and dependent variable: Ten minutes after a submarine is launched from a research ship, it is 25 meters below the surface. Independent: Time in minutes Dependent: number of meters below the surface

Model y = -x2 – 1 using a graph based on inputs -2, -1, 0, 1, 2 -5 -1 1 2

For the function: y = 3x - x2 Find the range for the domain of {-2, -1, 3, 7} Range = {-28, -10, -4, 0}

Sketch a graph for the velocity of a car over time if the car travels on a highway at a steady rate then stops suddenly to avoid an accident.

Is this a function? {(-1,2) ; (-4,0) ; (2,2) ; (3,0) ; (1,0) } Prove your answer! Yes, it’s a function

Write a function rule: g(n) = -5n -3 15 7 -35 11 -55

Is the following relation a function Is the following relation a function? Is so, what type of function is it? 𝑦= 𝑥 2 +7 Yes, Quadratic

What is the range in the relation

Write a function rule: f(x) = x + 10 11 3 13 7 17