Exponential Functions Review

Front

What is the y-intercept of the function?

Back

3

Front

Function with initial amount $15 and 35% increase each year: y = 15(35)^x, y = 15(1.35)^x, y = 15(0.35)^x, y = 35(1.15)^x

Back

y = 15(1.35)^x

Front

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

Back

13

Front

Investment: $400 for 5 years at 4.29% interest rate each year. Equation?

Back

y=400(1+.0429)⁵

Front

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation? Options: y=8(15,000)^x, y=15,000(1 + .08)^x, y=15,000(1 - .08)^x, y=15,000(0.08)^x

Back

y=15,000(1 - .08)^x

Front

Is the pictured graph growth, decay, or linear or none? Options: Exponential Growth, Exponential Decay, Linear, None

Back

Exponential Growth

Front

Mosquito population growth: 4,000 mosquitoes initially, growing at 25% per month for 4 months.

Back

9766

Front

Is this exponential growth or decay?

Back

Decay

Front

In an exponential function, what does the 'a' represent? Options: SLOPE, RATE OF CHANGE, Y-INTERCEPT, COMMON RATIO

Back

Y-INTERCEPT

Front

What is the y-intercept of  y=3(4)^x?

Back

3