(1) Equation has at most one real (R) solution.

(2) Equation has more than one real (R) solution.

(3) Equation has 2 real (R) solutions.

no clue for (3)

I know I did (1) wrong.. at most 1 means 1 or 0.. i wrote for 1.

(2) doesn't tell how mayn solutions there are; there could only be 1.