Exponential Functions Y-Intercept and Rate of Change

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

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

What type of function is y = 7(5/4)^x? What is growth/decay factor; increase/decrease rate of change?

• Exponential Growth; 5/4; 1/4

• Exponential Decay; 5/4; 1/4

• Exponential Growth; 1/4; 5/4

• Exponential Decay; 1/4; 5/4

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

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

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Is this exponential growth or decay?

• Growth
• Decay

Given y=3^x determine the y-intercept 

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

Is this exponential growth or decay? What is the growth/decay factor? what is the increase/decrease rate of change?

• Growth; 1/5; 4/5

• Decay; 1/5; 4/5

• Growth; 4/5; 1/5

• Decay; 4/5; 1/5

Which does y= 2(.5)^x represent? What is growth/decay factor; increase/decrease rate of change?

• Exponential Growth; 2; 0.5

• Exponential Decay; 0.5; 0.5

• Exponential Decay; 2; 0.5

• Exponential Growth; 0.5; 0.5

What is the initial value of the situation represented by f(x)=0.05(2)^x?

• 0.05

• 2

• 0.1

• 1

What is the growth/decay factor of the situation represented by f(x)=10(0.3)^x?

• 10

• 0.3

• 1

• 3