Exponential Growth/Decay

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

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

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

• SLOPE
• RATE OF CHANGE
• INITIAL AMOUNT
• GROWTH OR DECAY FACTOR

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

• SLOPE
• RATE OF CHANGE
• Y-INTERCEPT
• COMMON RATIO

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

• 2
• 4
• (2)^x
• 8

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

• Exponential Growth
• Exponential Decay
• Linear
• None

Asymptote?

• y = 4
• y = 0
• x = 4
• y = 5

Which of the followings functions shows an initial amout of $15 and an increase of 35% ?

• y=15(35)^x

• y=15(1.35)^x

• y=15(0.35)^x

• y=35(15)^x

What is the equation that best represents the graph?

• y=2^y
• y=2^x
• y=2^-x
• y=x²

Given y=3^x determine the y-intercept 

• (0,1)
• (0,3)
• No Y-intercept
• y=1

Which graph is an exponential function?

• red

• blue

• green

• none