0.2 of the money in my savings account is $1500. How much money do I have in my savings account?
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$300

Step-by-step explanation:

We have that
y=4e^x

using a graph tool
see the attached figure

the domain of the function is all real numbers--------> the interval (-∞,∞)
the range of the function is all positive real numbers---> interval (0,∞)

the answer is
the range of the function is all positive real numbers---> interval (0,∞)