Final answer:
To evaluate p(-7), substitute -7 for c in the function p(c) = c2 + c. The value of p(-7) is 42.
Step-by-step explanation:
To evaluate p(-7), substitute -7 for c in the function p(c) = c2 + c.
So, p(-7) = (-7)2 + (-7)
= 49 - 7
= 42
Therefore, the value of p(-7) is 42.
Learn more about evaluating a function