Exponential Functions

What type of function is f(x)=2(1/7)^x? Options: Exponential Growth, Linear, Exponential Decay, None of the Above

What is the y-intercept of the function?

What is the common ratio for the sequence:
28, 14, 7, 3.5...

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

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

Is the pictured graph growth, decay, linear, or none?

Is the pictured graph growth, decay, linear, or none?

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

Classify the model: A=1200(.85)⁶
Options: Growth, Decay

Classify the model: A=10(1.01)³
Options: Growth, Decay