Explain why this mapping is or is not a function O A. This is a function because every input maps to only one output.
OB. This is a function because every output maps to only one input
C. This is not a function because more than one input maps to an output.
D. This is not a function because more than one output maps to an input

What is the quadric regression equation that fits these data

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.