Answer:
If you input a value of x then we get the output f(x) = y, which is the function of x. This is a function of x. Hence, x² = y is a function of x.
Step-by-step explanation:
The probability that a girl will be selected from the class is 0.7
X² + x - 20
= (x+5)(x-4)
x + 5 = 0
x = -5
x - 4 = 0
x = 4
hence the answer is C
Step-by-step explanation:
the polygon is 15 sided.
X= 3r+5/2 is the answer I believe
