Select the point that satisfies Y< or equal to x ^ 2 - 4 x + 2

Question

asked Jul 17, 2021 25.5k views

1 Answer

Albeis · Answer 1 · 2021-07-21T07:13:53+0000

Answer:

answer A
$\boxed{(5,5)}$

Explanation:

estimate
2^2-4*2+2 = 4-8+2=-2

and (2 <= -2) is not true

estimate
1^2-4+2 = 1-4+2=-1

and (1 <= -1) is not true

estimate
4^2-4*4+2=2

and (4 <= 2) is not true

estimate
5^2-4*5+2=25-20+2=7

and (5 <= 7) is true !!

so the right answer is A