In the venn diagram above N(P)=5, N(Q)=9 and (PUQ)=10 what is N(PNQ)

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

What is the y intercept of f(x)=(1/2)^x?

Can some one explain this i got sent this. is this a threat i’m scared