Answer:

Step-by-step explanation:
In order to vertically stretch a function, we just need to multiply the function by our stretch factor.
So, we have the function:

We want to find the equation of this function vertically shrunk by a factor of 1/4. So, multiplied the function by 1/4:

And this will be our answer :)
Answer:
ANS. => none of the above
Numbers below 0 and that have the - before it for example -1, -2, -3