Please explain how to solve. Thank you Describe the concavity of the function f (x) = x³ – 3x + 6The graph is concave up for x < 0 and concave up for x > 0.O The graph is concave up for x < 0 and concave down for x > 0.O The graph is concave down for x < 0 and concave down for x > 0.O The graph is concave down for x < 0 and concave up for x > 0. 1Describe the concavity of the function f (xx3The graph is concave down for x < 0 and concave up for x > 0.The graph is concave down for x < 0 and concave down for x > 0.The graph is concave up for x < 0 and concave up for x > 0.The graph is concave up for x < 0 and concave down for x > 0.

As per our guidelines we are suppose to solve only first question if the multiple questions are…

Describe the concavity of the function f (x) = x' 3x + 6 O The graph is concave up for x < 0 and concave up for x > 0. O The graph is concave up for x < 0 and concave down for x > 0. O The graph is concave down for x < 0 and concave down for x > 0. O The graph is concave down for x < 0 and concave up for x > 0.