Please help

Look at the picture

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x