For the function f(x)= 1/x-2, which of these could be a value of f(x) when x is close to 2

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)