If f"(x) is negative, f'(x) is __________ and f(x) is _________

if f'(x) = 0 and f"(x) is positive at x =a, f(x) is having _________ at x = a

If f'(x) changes sign from positive to negative at x = a, then f(x) has _______________ at x =a

f(x) = x^2 / (x + 1), then what is the Oblique Asymptote

If f'(x) changes sign from negative to positive at x = a, the f(x) has _________ at x=a