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

answer: no

step-by-step explanation:

you are only given the cost not the amount of pounds.

answer:

your answer is: c. 196 7/8 in^3.

b

step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (3, - 5) ← 2 points on the line

m = = = - 3

with m = - 3 and (a, b) = (3, - 5), then

y - (- 5) = - 3(x - 3), that is

y + 5 = - 3(x - 3) → b