A quadratic function is defined by f(x) = x2 – 8x – 4. Which expression also defines f
and best reveals the maximum or minimum of the
function?
(x– 4)2 + 20
x(x – 8)-4
(x– 4)2 + 12
(x – 4)2 – 20
NEED THE ANSWER ASAP

How many solutions does the nonlinear system of equations graphed bellow have?

Select all the expressions that will include a remainder.

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?