Question

The production cost, represent by y, of smart phone devices are equal to the product of computing components (a) and the square of the number of devices (x), added to the product of labour (b) and number of devices (x); after which savings on reusable material (c) are subtracted

Write down an equation to represent the production cost (y) in terms of a, x, b and c

Answer 1

Solution

$y=ax^2+bx-c$