Answer:
I recoment using the formula because its different ways its taught
Step-by-step explanation:
maybe look up different formula's
Well, if we see the graph of x^2
the vertex is (0,0)
if we reflect it acrosss the x axis, teh vertex is still (0,0)
verteical strech doesn't change the vertex
vertex of g(x) is same as f(x)
first answer
5/7 = non orange marbles
?/21 = chances to pick a non blue
21/7 = 3
5x 3 =15
15/21