Exponential functions

Front

What type of function is f(x)=2(1/7)^x ?

Back

Exponential Decay

Front

What is the y-intercept of the function?

Back

3

Front

What type of function is y = 7(5/4)^x? Options: Exponential Growth, Exponential Decay, Linear, None of the above

Back

Exponential Growth

Front

Is this exponential growth or decay?

Back

Decay

Front

In an exponential function, what does the 'a' represent? Options: SLOPE, RATE OF CHANGE, Y-INTERCEPT, COMMON RATIO

Back

Y-INTERCEPT

Front

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

Back

2

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

Which of the following is an increasing exponential function whose y-intercept is 50? Options: y = 50(.05)^x, y = 50x - 4, y = (2)^x + 50, y = 50(1.4)^x

Back

y = 50(1.4)^x

Front

What is the range of this graph? Options: y = 6, (0, -4), y > -6, y < -6

Back

y > -6

Front

What variable represents the domain? Options:

x

,

y

,

d

,

r

Back

x