Complete the tables of values.
x 4−x
−1 4
0 a
2 b
4 c

The power (or exponent) of a number shows the number of times the number should be multiplied, and further calculation can be defined as follows:

Solving the equation for the given points:

For point a)

For point b)

For point c)

So, the final answer is "".

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2.83941151 would be the answer you're looking for! : )