give the function f(x)=2e^x, find f(x) if x=3
To answer this, substitute 3 to x in the given function. The final function would be, f(x) = 2e^3. e is a constant with a value of 2.7183. In this function, only the e or 2.7183 is raise to exponent 3. Thus, the value of the function is 40.1711.