Quiz about Interpreting Linear, Quadratic, and Exponential Functions

Question 1

Determine whether each of the following functions is Linear, Exponential, or quadratic.

{(-2, 1), (-1, 3), (0, 9), (1, 27)}

Accepted Answer

Exponential

Answer

Linear

Answer

Quadratic

Question 2

Write a function that models the data in the table. Then use the function to predict how long the humidifier will produce steam with 10 quarts of water.

Accepted Answer

$$h=1.5x-1;\ 14\ h$$

Answer

$$h=3.5\left(1.5\right)^x;\ 201.8\ h$$

Answer

$$h=1.5x+3.5;\ 18.5\ h$$

Answer

$$h=3.5+\left(1.5\right)^x;\ 61.2\ h$$

Question 3

Which describes what is happening to Amazon's stock?

Accepted Answer

The stock price starts at $50 and quadruples each year.

Answer

The stock price starts at $50 and adds by $150 each year

Answer

The stock price is increasing at a constant rate of $250 per year.

Answer

The stock price is staying the same each year.

Question 4

Greg posted a tiktok video that received 400 hits the first day. Each day the number of hits doubled. He wrote a formula to see how many hits his video would receive in the next few days. The formula is shown below. Which formula is equivalent to the one Greg wrote?

Accepted Answer

$$a_1=400\ ;\ a_n=2a_{\left(n-1\right)}$$

Answer

$$a_1=2\ ;\ a_n=400a_{\left(n-1\right)}$$

Answer

$$a_1=2\ ;\ a_n=400+a_{\left(n-1\right)}$$

Answer

$$a_1=400\ ;\ a_n=2+a_{\left(n-1\right)}$$

Question 5

Which could represent "I start with 1000 bacteria and gain 5% every minute"

Accepted Answer

B=1000(1.05)^t

Answer

B=1000(1.5)^t

Answer

B=1000(5)^t

Answer

None of the above

Question 6

What kind of function is represented by the RED line?

Accepted Answer

linear

Answer

constant

Answer

quadratic

Answer

exponential

Question 7

Trent, Aliyah, Peyton, Taylor, and Hayden are on a quest to find a hidden treasure. They stumbled upon a map with a line graph. They believe the line represents the path to the treasure. Can you help them figure out the equation of this line?

Accepted Answer

$$y\ =\ \frac{1}{3}x\ +\ 4$$

Answer

y = 4x

Answer

y = 4x + 3

Answer

y = 3x + 4

Question 8

Which function is graphed?

Accepted Answer

2y - 3x = 2

Answer

5x + y = 1

Answer

y = 2x - 1

Answer

y = 5x + 8

Question 9

What is the equation of the linear function shown?

Accepted Answer

y= -x - 1

Answer

y = x -1

Answer

y = -2x + 1

Answer

y = 4x - 5

Question 10

Why is this function linear?

Accepted Answer

This is a linear function because it is a straight line.

Answer

This is a linear function because it is going up

Answer

This is a linear function because the line is curved.

Answer

This is a linear function because it keeps going.

Question 11

What is the equation of the graph shown?

Accepted Answer

$$y=-\frac{1}{3}x-2$$

Answer

$$y=-\frac{1}{3}x+2$$

Answer

$$y=\frac{1}{3}x-2$$

Answer

$$y=\frac{1}{3}x+2$$

Question 12

Which function(s) have a positive slope?

Accepted Answer

f(x)

Accepted Answer

j(x)

Answer

g(x)

Answer

h(x)

Question 13

Which equation is being represented by this line?

Accepted Answer

y = -x + 2

Answer

y = x + 2

Answer

y = 2x +2

Answer

y = -2x +2

Interpreting Linear, Quadratic, and Exponential Functions

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