All About Functions!

Functions (General)

100

In order to be a function, each input must have ________ output. What goes in the blank?

What is one?

Each input must have one output

200

One of these graphs isn't a function, which one is it:

Lines, Parabolas, Curves, Circles

What is Circles?

300

Let g(x)=3x+4. What is g(2)?

What is 10?

400

Let h(x) = x(x-3)² . What is h(5)?

What is 20?

500

Is this a function? (See diagram on Google Slides). 

What is yes?

Linear Functions

100

Is this a linear, quadratic, exponential function, or neither?

y = 4^x

What is neither?

200

Given the linear function, y=9x+21, what is the value of y when x=7?

What is 84?

300

Which one is the graph of the linear function? 

What is 2?

400

Finish the table using your knowledge of linear functions.

What is 2 and 10?

500

Is (4,3) a point that lies on the line formed by 2x+3y=19?

(Hint: a point lies on a line if, when plugged in, both sides of the equal sign are the same)

What is no because both sides are not equal.

Exponential Functions

100

Which one is the graph of the exponential function?

What is 3?

200

Come up with your own exponential function equation

What is anything that has x as the exponent?

300

Exponential functions go up by _____ or _____ the same number each time

What is multiplying or dividing ?

400

Suppose you have the exponential function y=3^x-12. What is the value of y when x=3?

What is 15?

500

Finish the table using your knowledge of exponential functions

What is 64 and 4?

Quadratic Functions

100

Which one is the graph of the quadratic function?

What is 1?

200

Which one is the equation for a quadratic function?

a) y=(x-1)²+4

b) y=2^x

c) y=2x+2

What is a?

300

Finish the table using your knowledge of exponential functions

What is 16?

400

Quadratic functions go up or down by the common ______ _________

What is second difference?

500

For the quadratic equation, y=2x²+4x+16, what is y when x=3?

What is 46?

Random

100

What class does Mr. Lino teach at CHS?

What is Algebra 1?

200

Linear functions go up by ______ or _______ the same number each time.

What is adding or subtracting?

300

Where did Mr. Lino go to college?

What is Harvard College?

400

Explain why circles will never be functions.

What is because they will never pass the vertical line test (there will always be an input with two outputs)

500

Which of the following can be modeled by exponential functions?

1) Earning $10 each week 

2) A zombie infection where the number of zombies doubles each day

3) The path of a basketball when you throw it towards a hoop

What is anything that has exponential growth or decay?