The diagrams below show nine different sketches of graphs.
A
B
C
D
E
F
G
H
I
Write down the letter of the graph that could represent the following equations:
y=2x+5y = 2x + 5y=2x+5
y=x2−4x+3y = x^2 - 4x + 3y=x2−4x+3
y=4x\displaystyle y = \frac{4}{x}y=x4