Practice problem
Find where the equation is concave upward and downward f(x)=2x3−24x2+5x+3f\left(x\right)=2x^3-24x^2+5x+3f(x)=2x3−24x2+5x+3
Down: (-∞,-4) Up:(-4,-∞)
Down: (∞,4) Up: (4,∞)
Down: (4,-∞) Up: (∞,4)
Down: (-∞,4) Up: (4,∞)
Type a concept, like “slope” or “photosynthesis”.