Question

Bantu jawab yg no 7 sama 8 pakecaranya ya

Answer 1

F(x) = 2^x maka [f(x+h)-f(x)]/h = [2^(x+h) - 2^x]/h = [2^x • 2^h - 2^x]/h = 2^x (2^h - 1)/h

nomor 2.
1/(1 + a^t) + 1/(1 + a^-t) = 1/(1+a^t) + 1/(1+a^-t) • a^t/a^t = 1/(1+a^t) + a^t/(a^t + 1) = (1+a^t)/(1+a^t) = 1