Any variable in a use case has: (a) At least one valid value and one invalid value

Question:

Any variable in a use case has:

(a) At least one valid value and one invalid value

(b) At most one valid value

(c) At most one invalid value

(d) At most one valid value and one invalid value

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Question Posted: