Exponential Functions

Front

Which equation is exponential?

y = mx + b

,

x = a

,

y = ax² + bx +c

,

y = a(b)^x

Back

y = a(b)^x

Front

Initial value for the equation y = (5)(2)^x

Back

5

Front

Name the "common ratio" for the equation y = (2)(3)^x

Back

3

Front

The equation y = (2)(3)^x shows

Back

growth

Front

Does the graph represent an exponential growth or an exponential decay function?

Back

Exponential Growth

Front

What does the y-intercept of the graph represent? Options: The amount of grams the material is gaining., The amount of grams the material is losing., The amount of grams remaining after so many years., The initial amount of grams.

Back

The initial amount of grams.

Front

Identify the increasing exponential function with a y-intercept of 50: y = 50(.05)^x, y = 50x - 4, y = (2)^x + 50, y = 50(1.4)^x

Back

y = 50(1.4)^x

Front

By what percentage is the colony decaying in the model f(x) = 800(.87)^x?

Back

13%

Front

What type of pattern do exponential functions have?

Back

Multiplies by the same number every time

Front

What type of pattern do linear functions have?

Back

Adds by the same number every time