Exponential Functions Evaluate and Graph

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Is this exponential growth or decay?

• Growth

• Decay

Pick the equation that is exponential growth

• y=2(0.5)^x

• y = 0.5(2)^x

In an exponential function, what does the 'a' represent? 

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

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

• 2

• 4

• (2)^x

• 8