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A 2-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entries 12.5, 2.5, 0.5, 0.1, 0.02. Which exponential function is represented by the table?

Respuesta :

anelapasic1807

Answer:

[tex]f(x)=0.5(0.2)^x[/tex]

Step-by-step explanation:

Exponential function can be in this form : [tex]f(x)=ab^x[/tex]

To find a and b we can use any two pairs from the table.

We can use (0, 0.5) and (1,0.1)

[tex]0.5=a*b^0\\a=0.5[/tex]

let's find b

[tex]0.1=0.5b^1\\b=0.2[/tex]

lancehorner26

Answer:

5

Step-by-step explanation:

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