Exponentials

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

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

Simplify the exponential expression.

• 2x⁶y¹²
• 2x⁵y⁷
• 8x⁶y¹²
• 8x⁵y⁷

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

Is this exponential growth or decay?

• Growth
• Decay

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

• Exponential Growth
• Exponential Decay
• Linear
• None

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

Which equation matches the graph?

• y = 4^x + 3

• y = 4^x - 3

• y = 4^{(x + 3)}

• y = 4^{(x - 3)}

What is the domain of the function?

• x > -4

• y > -5

• y < -4

• all real numbers

What is the asymptote of y = 2^(x-3) ?

• y = 0

• y = -3

• x = 0

• x = -3

• y = -7

• y = 7

• y = 5

• x = 2