Average Rate of Change and Concavity
The average rate of change of a function g on the interval [k, k+h] is 2k+h. What can be concluded about the concavity of the graph of g?
A
Concave up for all values of x
B
Concave down for all values of x
C
Linear with no concavity
D
Changes concavity depending on the value of k
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