what is the range of the function $y = 2e^{x}-1$?\no all real numbers less than -1\no all real numbers…

what is the range of the function $y = 2e^{x}-1$?\no all real numbers less than -1\no all real numbers greater than -1\no all real numbers less than 1\no all real numbers greater than 1
Answer
Explanation:
Step1: Analyze the range of $e^x$
The exponential - function $y = e^x$ has a range of $(0,+\infty)$, that is $e^x>0$ for all real - valued $x$.
Step2: Analyze the range of $2e^x$
Multiply the inequality $e^x>0$ by 2. We get $2e^x>0\times2$, so $2e^x > 0$.
Step3: Analyze the range of $2e^x - 1$
Subtract 1 from the inequality $2e^x>0$. We have $2e^x-1>0 - 1$, so $2e^x-1>-1$.
Answer:
all real numbers greater than -1