A fabric manufacturer has determined that the resistance y of a fiber is given by
y = 18x - 155
where x (in grams) denotes the amount of a synthetic compound used to make the fiber.
A) If 44 grams of the synthetic compound are used, what is the resistance?
B) At least how many grams of synthetic compound must be used to have a positive resistance?

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The Answer of A fabric manufacturer has determined that the resistance y of a fiber is given by
y = 18x - 155
where x (in grams) denotes the amount of a synthetic compound used to make the fiber.
A) If 44 grams of the synthetic compound are used, what is the resistance?
B) At least how many grams of synthetic compound must be used to have a positive resistance?

A Fabric Manufacturer Has Determined That the Resistance Y of a Fiber