Exponentials Growth Factor

The way the COVID-19 virus is infecting people is an example of which exponential function?

• Growth

• Decay

• Neither

If my car is depreciating in value by the same percent each year, which means to lose value, is that exponential growth or decay?

• Growth

• Decay

• Neither

Which equation represents an exponential function?

• y = x² - 5x + 24

• g(x) = 4.3x + 9

• f(x) = 2(4)^x

• f(x) = 2(4)²

Which statements about f(x) = 3^x are true?

• The y-intercept is (0,3)

• It represents exponential growth because the growth factor is greater than 1

• The y-intercept is (0,1)

• It represents exponential decay because the decay factor is 1

• f(4) = 81

Which of the following represents an increasing exponential function whose y-intercept is 50?

• y = 50(.05)^x

• y = 50x - 4

• y = (2)^x

• y = 50(1.4)^x

Does the equation f(x) = -3(1.25)^x represent exponential growth or decay?

• Growth because

  a > 1

• Growth because

  b > 1

• Decay because

  a < 1

• Decay because

  b < 1

What is the range of this graph?

• y = -6

• (0, -4)

• y > -6

• y < -6

The line that an exponential graph continually approaches but never touches is called the _____________________ and is represented as y =

• parabola

• asymptote

• rational function

• axis of symmetry

Which equation is represents the graph?

• y=2(3)^x

• y=3(2)^x

• y=2(6)^x

• y = 3(6)²

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

• Exponential Growth

• Exponential Decay

• Linear

• None