Answer:
2
Step-by-step explanation:
The answer is 2, because there's comparison of the options of ways to buy books.
Answer:
The value of f(x) when x=-1 is 0.5
Therefore 
Step-by-step explanation:
Given that y=f(x)=
to find the f(x) when x=-1 :
That is to find f(-1)
Put x=-1 in the given function f(x)=



Therefore 
The value of f(x) when x=-1 is 0.5
Answer:
now the answer sorry for that i am in 5th grade so i dont know sorry
Step-by-step explanation: