For the graph of (3-x)/(5x+2)^3:

is the following information right?

x-intercept: (3,0)
y-intercept: (0,0.375)
vertical asymptote: x= -0.4
horizontal asymptote: y=0
increasing: (4.7, infinity)
decreasing: (-infinity, -0.4) (-0.4, 4.7)
concave up: (-0.4, 6.4)
concave down: (-infinity, -0.4) (6.4, infinity)
relative maxima: none
relative minima: (4.7, -1.0252*10^-4)
absolute maxima: infinity
absolute minima: -infinity
point of inflection: (6.4, -8.651*10^-5)