Question

part b: make tables to find the solution to 4^x=2^x+2. Take the integer values of x between -3 and 3

Answer 1

@eashmore

Answer 2

@whpalmer4

Answer 3

@mathmale

Answer 4

Okay, so the idea is you make a table with three columns:

x 4^x 2^x + 2
----------------
0 1 3

etc.
you fill in the values for x = -3,-2,-1,1,2,3

to find the solution, just look for the row in the table where the right two columns have the same value