Whats the blank answer please help

2

Step-by-step explanation:

The way to solve this is by making the denominators similar to each other. The best number to change it to is 10 since 2 and 5 can be multipled into 10. Multiplying by 5 will make it into , and multiplying by 2 will make . The equation at this point looks like this:

Now you have to solve for the blank, which I replaced with the variable . Simplifying the equation down will get you to , which in turn simplifies down into 2.

Hope this helps!

45.3592

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value