<span> 7.58e8
= </span><span> 7.58 x 10^8
= 758,000,000</span>
Could you attach an image of the slope? Because i dunno what lesson you're on....
:/
I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:

Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
Answer:
9/18, 19/16, 5/4, 3/2
Step-by-step explanation: