The special number, natural base "e", is a(n) ________________ number.

                 Simply the expression.                   $e^{-4}\cdot e^6$  

Simplify:  $\left(4e^{-2x}\right)^3$  

Does the function $y=4e^{-0.75x}$  represent exponential growth or decay?

State the range of  $f\left(x\right)=e^{\left(x-1\right)}+3$  

State the asymptote of  $f\left(x\right)=e^{\left(7x+2\right)}-9$  

Does the graph  $f\left(x\right)=e^x+b$ , where b is a real number, have an asympotote?

Which of the following graphs matches the function $y=0.75e^x$  ?

What is the y-intercept for the graph of  $y=3e^x$  ?