Activity 8-A-2 c. What does R(x) = 10 mean? d. What does 2R(x) mean? How does this compare with R(2x)? e. What does R(2x) - R(x) mean? 3. Lets be the function represented symbolically as s(x) = x² a. What does s describe in the context of this problem? b. What does s(9)mean? c. What does s(x) = 9 mean in the context of this problem? d. What does 0.25s (9) mean?