Given the function f(x)=x^2+9 find f(x-2)

x^2 -4x+13

Step-by-step explanation:

f(x)=x^2+9

Replace x with x-2

f(x-2)=(x-2)^2+9

FOIL

f(x-2)=x^2 -2x-2x +4+9

Combine like terms

       = x^2 -4x+13

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.