Answer:
yes
Step-by-step explanation:
each input is put with only one output therefore it is a function
Answer:
y = (x - 1)(x - 3)
y = (x + 2)^2
Step-by-step explanation:
3)
Has roots at x = {1, 3}
y = (x - 1)(x - 3)
4)
Has double root at x = -2
y = (x + 2)^2
Answer:
0
Step-by-step explanation:
subtracting like terms
Step-by-step explanation:
it will 2.5 this is right answer option D