Question

y与x之间的函数解析式

Answer 1

Y1=K1√X,Y2=K2/X^2,

∴Y=K1√X-K2/X^2,

根据题意得：

{-14=K1-K2,

{3=2K1-K2/16,

解得：K1=2,K2=16,

∴Y=2√X-16/X^2,

⑵X>0

⑶Y=2√(1/4)-16/(1/4)^2

=1-256

=-255.