Plotting problems, the axis does not match

Can someone help me plot these equations, and send me the pictures, i can not find out why i cant do it and im trying for a few days now.

y=e^x

y=e^7x

y=e^(-7x)

y=ln⁡x

y=log⁡x

y=log_7⁡x

Thank you.

Answer 1

[madhan ravi]

doc fplot % read it