Answer:
(h • g)(n) = 4n^2 + 2
Step-by-step explanation:
What we simply have to do here is to place g(n) into h(n)
Hence, we replace the n value in h(n) by the totality of g(n)
Thus, we have that
(2n)^2 + 2
= 4n^2 + 2
D
Is the correct answer welcome
Hi
first thing to do is to count how many marbles you have
so : 5 red, 4 green, 3 blue = 5+4+3 = 12
probability of green : 4/12
blue : 3/12
Probability of either green or blue : 4/12 +3/12 = 7/12