Question

A) 2^x+2^x
B)2^x*2^x

Answer 1

a) [tex]2^x + 2^x = 2^x(1 + 1) = 2^x*2 = 2^{x+1} [/tex]
b) $2^x*2^x = 2^{x+x} = 2^{2x} = (2^2)^x = 4^x$