When riding your bicycle where there is traffic, it is crucial to stay alert and be cautious.

Choose the TWO words that have the same meaning as the underlined word.

A. frightening

B. dangerous

C. important

D. impossible

E. necessary

Well, you have not indicated the underlined word.

crucial - important, necessary

Explanation:

. 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.