By completing the square: x²-8x+19 = (x-4)²-16+19 = (x-4)²+3 so minimum point = (4,3)
By calculus: f'(x) = 2x-8. (minimum point occurs when f'(x)=0 therefore)
2x-8 = 0 means x=4 and the corresponding y value is 3.
The minimum value of this function (y) is 3 and this occurs when x = 4.
Answer:
the r means remainder
Step-by-step explanation:
there ya go:)
Answer:
Recognize the equation as that of a horizontal line passing through the y-axis at −3
I think it’s B if not I can’t tell because I can’t see all the questions .
