Answer:
Independent variable is temperature
Explanation:
An equation has this form: Y= f(x), where Y is dependent variable andX is independent variable.
In this case Y ( Dependent variable) is Perfomance in test, an it depends on x(Independent variable) wich is temperature.
1. Requirements gathering/analysis.
2. Design.
3. Development.
4. Testing.
5. Maintenance.
I think the corect answer is c
