math
posted by Renee .
Determine where the function is concave upward and where it is concave downward.
Concave upward:
A. (/infty,0)
B.(1,1)
C.(0, infinity)
D. ( infinity,infinity)
E. (no interval)
Concave downward:
A.(/infty,0)
B.(1,1)
C.(0, infinity)
D.( infinity,infinity)
E. no interval
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