Question

Which exponential function is represented by the graph?
f(x) = 2(2)x
f(x) = 1/2(2)x
f(x) = 1/2(1/2)^x
f(x) = 2(1/2)^x

Answer 1

Given :   graph

To Find : Which exponential function is represented by the graph?

f(x) = 2(2)^x

f(x) = 1/2(2)^x

f(x) = 1/2(1/2)^x

f(x) = 2(1/2)^x

Solution:

points on graph

x      f(x)

-1     0.25

0     0.5

1       1

Lets check each function

 x   f(x) = 2(2)^x

-1         1

0        2

1          4

 x   f(x) = 1/2(2)^x

-1         1/4  =  0.25

0        1/2   = 0.5

1          1     =  1

x   f(x) = 1/2(1/2)^x

-1         1

0        1/2

1         1/4

x   f(x) =2(1/2)^x

-1         4

0        2

1         1

f(x) = 1/2(2)^x  represented by the graph

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Answer 2

Answer:

A

Step-by-step explanation: