Natural Exponential Function

Which of the following is closest to the y-intercept of the function whose equation is  $y=10e^{\left(x+1\right)}$  

• 10

• 18

• 27

• 52

On the grid above, the solid curve represents  $y=e^x$ .  Which of the following exponential functions could describe the dashed curve?

•  $y=\left(\frac{1}{2}\right)^x$  

•  $y=e^{-x}$  

•  $y=2^x$  

•  $y=4^x$  

Tags

CCSS.HSF-IF.C.7E

Given $f\left(x\right)=1.21e^{\left(-.47x\right)}$ , find f(9).

• 0.0176

• 1.21

• -.47

• 83.1479

What is the domain of $y=e^x-3$  ? *hint, look at the graph*

•  $x\ge-3$  

•  $y\ge-3$  

•  $x\in R$  

•  $-10\le x\le3$  

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of $y=e^x-3$ ? 

*hint, look at the graph*

•  $x\ge-3$  

•  $y>-3$  

•  $y\in R$  

•  $-3\le y\le10$  

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

• -3

• 0

• -2

• 3

Tags

CCSS.HSF-IF.C.7E