Question

What is the maximum value of the function

Answer 1

Answer:

$10$

Step-by-step explanation:

$f(x)=-x^2+6x+1$

x coordinate:

$\frac{-b}{2a}$

$a=-1\\b=6$

$\frac{-6}{2(-1)} \\\frac{-6}{-2}\\ =3$

y-coordinate:

$f(3)=-(3)^2+6(3)+1\\f(3)=-9+18+1\\f(3)=10$