Don't Let Your "ex" Define You
Good Behavior
Bad Answers
Ugly Decay
100

The name of a constant percentage increase of an initial value that increases in value rapidly.

What is Exponential Growth

100

What happens when the a value in the function

y=abx+c is negative?

What is the function reflects over the horizontal asymptote?

100

A person answered the following question as shown. They made this fatal error.


A bank account earns 2% interest semi-annually. If you deposit $400, how much will you have in your account after 2 years?

A=400(1+2)4

What is not converting the percentage to a decimal?

100

The base of a function that shows exponential decay by 30% is this decimal.

What is 0.7?

200

This is the kind of function in which the base is somewhere in the interval between 0 and 1.

What is exponential decay?

200

The horizontal shift of the following function.

y=3x+8+2

What is left 8?

200

A function showing exponential growth has a base of greater than 1. What is wrong with using the function?

A(t)=a(1-r)t

What is subtracting the rate from one, or making the base less than one?

200

As the x-value of an unshifted decay function approaches infinity, the y-value of the function approaches this value.

What is 0?

300

The word for the power in which a base is raised to is this.

What is an exponent?

300

The y-intercept of an unshifted exponential function is always at this particular y-value.

What is y=1?

300

A person set up the following function as shown below, doing this incorrectly.

You buy a solid block of gold. The value of gold increases about 0.5% every 3 months. If your block of gold was initially worth $4300, how much is it worth after a year?

A=4300(1+0.005)3

What is making the exponent 4?

300

The initial value of an unshifted decay function is 100. What is the y-intercept of the function?

What is y=100?

400

In order to be considered this noun, most scholarly belief is that you have acquire a doctorate in a subject.

What is an expert?

400

The horizontal line an exponential function approaches, called the horizontal asymptote, is this line when you have vertically shifted the graph down 4.

What is y=-4?

400

Someone determined that to end up with $5000 after a year, in an account that earns 5% interest compounded continuously, they would need to deposit $3433.68 initially. 

What should they really deposit?

What is $4756.14?

400

The more quickly an exponential decay function decreases is determined by the base. This is true about a base that causes decrease the most quickly compared to other bases. 

What is it smaller than other bases?