Which of the extrema below does the the function f(x) = x^5 – 4x^3 + x - 1 have? I. absolute maximum
II. absolute minimum
III, local maximum
IV. local minimum

A. I and II only
B. I, II, III, and IV
C. II and IV only
D. III and IV only

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?