$Domain:\ x > 0\\\\3\ln(x)+2\ln(4)=\ln(128)\qquad\text{use}\ \lag_ab^n=n\log_ab\\\\\ln(x^3)+\ln(4^2)=\ln(128)\qquad\text{use}\ \log_ab+\ln_ac=\ln_a(bc)\\\\\ln(16x^3)=\ln(128)\iff16x^3=128\qquad\text{divide both sides by 16}\\\\x^3=8\to x=\sqrt[3]8\\\\\boxed{x=2}\in D$

3 0

3 years ago

Write an algebraic expression for the phrase the sum of g and 3

Paraphin [41]

The sum of g and 3.

The sum of two values is added together.

g+3

You would add g to 3 since it is their sum the statement is asking for.

I hope this helps!
~kaikers

3 0

3 years ago