I am searching for the first and second derivatives of the function as they appear to be positive or negative over the given interval.

For each function, do the signs of the first and second derivatives of the function appear to be positive or negative over the given interval? (a) 1 1.1 1.2 1.3 1.4 1.5 f (x) 7.1 6.4 5.8 5.3 4.9 4.6 f' (x) appears to be f" (x) appears to be (b) 1.1 1.2 1.3 1.4 1.5 f (x) 11.1 12.1 13.0 13.8 14.5 15.1 f (x) appears to be f" (x) appears to be v (c) 1.1 1.2 1.3 1.4 1.5 f ( x ) 2000 1980 1961 1943 1926 1910 f' (x) appears to be f" (x) appears to be