Answer:
f(x)=x^2+3
f(x+y)=(x+y)^2+3
this is done by replacing x with (x+y)
f(x+y)=x^2+2xy+y^2+3
therefore : f(x+y)= x^2+y^2+2xy+3
Answer:
The better deal is 4 bagels for $3.00.
The fractions you would compare would be:
11 / 10 = 1.10 and
3 / 4 = 0.75
A "deal" would refer to the better value. In this case the better deal has a lower ratio of dollars to bagels.
Step-by-step explanation: