Answer:
x=0
Step-by-step explanation:
letter B
The less coefficient in front of x^2, the wider graph
the smallest coefficient is 1/5 , so the widest graph is y=(1/5)x²
Answer:

Step-by-step explanation:
The hypotenuse is 




The terminal side of
is in the second quadrant.
In this quadrant; the secant ratio is negative.


