Problema Solution

Annual profit in thousands of dollars is given by the function, P(x) = 12x - 100, where x is the number of items sold in thousands, x ≥ 10.

describe the meaning of the number 12 in the formula, in terms of its meaning in relation to the profit.

describe the meaning of the number -100 in the formula, in terms of its meaning in relation to the profit.

Answer provided by our tutors

 12 is the rate  of profit in thousands of dollors per items.

It is the slope of the P - x graph.

-100 is the constant irrespective of x.

It indicates profit  for x=0.

The negative sign indicates  loss not profit .