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a. On what interval(s) of x is f(x) positive?

b. On what interval(s) of x is f(x) negative?

c. On what interval(s) of x is f(x) increasing?

d. On what interval(s) of x is f(x) decreasing?

e. On what interval(s) of x does f have positive concavity?

f. On what interval(s) of x does f have negative concavity?

a On what intervals of x is fx positive b On what intervals of x is fx negative c On what intervals of x is fx increasing d On what intervals of x is fx decrea class=


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