makiyabattles
23.12.2019 •
Mathematics
Asap!
which exponential function is represented by the table?
a) f(x) = 0.2(0.5x)
b) f(x) = 0.5(5x)
c) f(x) = 0.5(0.2x)
d) f(x) = 0.2(0.2x)
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Ответ:
C should be the answer, don't quote me on that though
Ответ:
Option C -
Step-by-step explanation:
Given : The table of an exponential function.
To find : Which exponential function is represented by the table?
Solution :
First we create an exponential from the given table by taking any two values.
The general form of an exponential
Now, putting values from the table,
x=-2 and f(x)=12.5
....[1] '
x=-1 and f(x)=2.5
....[2]
Now, dividing [1] and [2]
Substitute in [2]
So, The exponential function with a=0.5 and b=0.2 is
Therefore, Option C is correct.
Ответ: