Exponential Rates and Factors

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

• 300
• 1.16
• .16
• x

What is r, the growth rate, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

What is a, the starting term, for the function: f(x) = 800(0.85)^x?

• 800
• 0.85
• 0.15
• x

What is r, the decay rate, for the function: f(x) = 800(0.85)^x?

• 800
• 0.85
• 0.15
• x

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x)=400(1+3)^x
• f(x)=400(1-0.03)^x
• f(x)=400(1+0.03)^x
• f(x)=400(0.03)^x

Classify the function, f(x) = 6.5(0.85)^x.

• exponential growth
• exponential decay
• quadratic
• linear

Classify the given graph.

• exponential growth
• exponential decay
• quadratic
• linear

Which of the following represents an exponential function?

• y = 7x + 2
• y = x² + 3x -1
• y = x³
• y = 4^x + 3

What is the equation of the horizontal asymptote for the equation y = 3^x - 4?

• y = -4
• y = 3
• y = 1
• y = -1