Rei is barricading a door to stop a horde of zombies. she stacks boxes of books on a table in front of the door. each box weighs 303030 kilograms, and the table with 888 boxes on top weighs a total of 310 kilograms.
the total weight w of the barricade in kilograms is a function of x, the number of boxes rei stacks on the table.
write the function's formula. w= ?

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step-by-step explanation:

the answer is 89 d

i took the test

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this

answer: your answer is a