Answer:
A: Yes
Step-by-step explanation:
Each input has exactly one output! So each x value has exactly one y output. hope this helps!
There is no answer, the equation is false.
Answer:
An experimental study
Step-by-step explanation:
An experimental study should be used. This will enable the energy drink manufacturer to have an experimental group and control group. Using experimental study, the effect of independent variables on the dependent variables can be determined with the amount of the drink consumed as the controlled factor.
