Make tables to find the solution to 2^-x = 4^x + 3. Take the integer values of x only between - 3 and 3.

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Mathematics

6 February, 21:32

Make tables to find the solution to 2^-x = 4^x + 3. Take the integer values of x only between - 3 and 3.

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Jerimiah Kim · Answer 1

X 2^ (-x) 4^ (x+3)

-3 8 1

-2 4 4

-1 0 16

0 1 64

1 0.5 256

2 0.25 1024

3 0.125 4096

The solution is x = - 2 because both functions return the same value, i. e. 4.