helloo, i need help in these questionss asap please

Question 19 f(x)=x2-x-1 and g(x)=2x-3. Find the value of (fog)(1). Not yet answered a-1 Marked out of 5.00 b. 3 P Flag question C. None d. 1 e. 2 Question 20 2x The domain of f(x)= X - - 2x is: Not yet answered Marked out of 5.00 a. All real numbers b. None Flag question c. All real numbers except 0, 1, and 2 d. All real numbers except 0, 2, and -1. e. All real numbers except -1 and 2