Answer:
y=mx+b
Step-by-step explanation:
A graph is a function if there is only one X value for any Y value.
Since the graph is in the shape of a U, there can only be one X for every Y value, so this graph is a function.
The answer is C.
Circumference= π*d
circumference= π*10
circumference= 31.42 miles (2.d.p)

Answer:
x^2-4x-96
Step-by-step explanation:
x^2-12x+8x-96
=x^2-4x-96