Answer:
Step-by-step explanation:
y=x²-2x-1
and y=-3x+5
x²-2x-1=-3x+5
x²+x-6=0
x²+3x-2x-6=0
x(x+3)-2(x+3)=0
(x+3)(x-2)=0
x=-3,2
when x=-3
y=-3×-3+5=9+5=14
when x=2
y=-3×2+5=-6+5=-1
so solutions are (-3,14) and (2,-1)
Answer: A and B only
Step-by-step explanation:
In function, for one value of x there must be only one value of y.
From right to left
2
20
200
2000
20000
200000
Answer: point, line, and plane.
Step-by-step explanation:
Answer:
x= 0, 1/2
Step-by-step explanation: