Writing and interpreting exponential functions

Which equation best describes the graph? 

• y = 2^x + 4
• y = 2^x - 3
• y = 2^x - 4
• y = 2^x + 3 

If the graph of an exponential function passes through the point (2, 4), what is the base 'a' of the function?

• a=2

• a=4

• a=8

• a=16

Tags

A.SSE.3.c

Which equation matches the graph?

• y = 4^{x + 3}

• y = 4^{x - 3}

• y = 4^x + 3

• y = 4^x - 3

Which equation matches the graph?
Hint: What's the "a" value?  Is it growth or decay?

• y=2(2)^x
• y=2(1/2)^x
• y=2^x
• y=1/2(2)^x

Write an exponential function for the graph shown.

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Which equation matches this graph?

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Which of the following equations matches the graph shown below?

• $y=.25^x$

• $y\ =\ 4\left(.25\right)^x$

• $y\ =\ .25\left(2\right)^x$

• $y=.25\left(4\right)^x$

Which exponential equation could represent the graph shown?

Graph each of the equations in your calculator and select which equation matches the graph shown

• y=3(1.2)^x

• y = 0.5(3)^x

• y = 5(2/5)^x + 2

• y = 2.5(3.1)^x + 1

What is the equation of the graph?

• $y=2^x$

• $y=2^{\left(x-3\right)}$

• $y=2^x-3$

• $y=3\cdot2^x$