Provide an appropriate response.
-What are the domain and range for the equation $y = 2 ^ { x }$ ?
A) Domain: $( \infty , \infty )$; range: $( \infty , \infty )$
B) Domain: $( 0 , \infty )$; range: $( \infty , \infty )$
C) Domain: $( \infty , \infty )$; range: $( 0 , \infty )$
D) $( \infty , \infty )$; range: $[ 0 , \infty )$

Question

Quizplus · Accepted Answer

The domain of $y = 2^x$ is all real numbers, since you can input any real number for $x$. The range is $(0, \infty)$ because $2^x$ is always positive, but never zero or negative.

Provide an Appropriate Response y=2xy = 2 ^ { x }y=2x

Provide an Appropriate Response $y = 2 ^ { x }$