A carpenter bought 540 board feet of pine, 854 board feet of oak, and 58 board feet of birch lumber. How many board feet did she buy in all?

The right answer is, 1452 tables in total

Step-by-step explanation:

As:

540 + 854 + 58 = 1452

2x3 – 6x2 – 14x + 24 square centimeters

if i'm wrong i'm sorry : )

if the eqn of the parabola is f(x) = (x-4)(x+2), we need to mult. this out to find the coordinates of the vertex.

then f(x) = x^2 + 2x - 4x - 8, and f(x) = x^2 - 2x - 8.

one way in which you can find the vertex is to calculate x = -b / (2a).   here, that comes to

        )

x = = 1.   f(1) = 1^2 - 2(1) - 8 = - 9.   vertex is at (1, -9).

        2(1) 

find another point on the curve:   let x=0, for which y=-8.   then (0, -8) is on the curve.   plot the vertex and this point and draw a smooth parabola thru both.

hope this