Which of the following correctly characterise the number of nodes in a 5-ary tree with height h? The tree may or may not be full, complete, or balanced.

Select one or more:

a. O(5^(h+1))

b. O(h^6)

c. O(5^h)

d. O(5^(h/2))

e. O(h^5)

f. O(h^(logh))

g. O(5^(h1))