Homework Soursefx 13x3 52x2 4x 6 aFind both x and y coordinates for the poi
f(x)= 1/3(x)^3 +5/2(x)^2 +4x -6
a)Find both x and y coordinates for the point or points of inflection.
b)Determine the intervals where f is increasing and the intervals where f is decreasing
a)Find both x and y coordinates for the point or points of inflection.
b)Determine the intervals where f is increasing and the intervals where f is decreasing
Solution
derivative of f is x^2+5x+4=0
(x+4)(x+1)=0
x=-1 and x=-4
y=-1/3+5/2-4-6=-47/6
y=-64/3+40-16-6
=-10/3
