Find the points of inflection and discuss the concavity of the graph of the

S

Saida

New member
function please HELP ANSWER GIVEN? f(x) = x+2cosx, [0,2pi]


The answer is point of inflection (pi/2, pi/2) and (3pi/2, 3pi/2)
Concave up (0,pi/2)u (3pi/2, 2pi)
concave down (pi/2, 3pi/2) PLEASE EXPLAIN
 
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