One of the most significant themes in "Margaret Knight, Inventor" is that because Margaret Knight had a curious and
inquisitive mind, she was very innovative throughout her
life. Which sentences from the passage directly support this
conclusion? Select THREE that apply.

the answer is

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.