The function g is given by g(0) = cos 0. Which of the following describes g on the interval from 0 to 0=2x?
A g is decreasing, and the graph of g is concave down.
B
D
gis decreasing, and the graph of g is concave up.
g is increasing, and the graph of g is concave down.
g is increasing, and the graph of g is concave up.