Over the weekend koko spent 2 hours on an assignment and she spent an equal amounts of time on studying for 4 exams for a total of 16 hours how much time did ahe spend for each exam

3.5 hr per exam

Step-by-step explanation:

Hello,

Let's have x represent hours for each exam. The equation is:

2+4x=16

Subtract 2 from both sides and divide by 4 and we get:

x=3.5 hours for each exam

Make sense?

5y

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