Given f(x)=−3x2+5f⁢(x)=-3⁢x2+5 , what is the range of the function?

A.
All nonnegative real numbers

B.
All real numbers less than or equal to 5

C.
All integers less than or equal to 5

D.
All nonnegative integers

Can someone me with these two circle theorem questions asap?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Which of the following graphs could represent a quartic function?