Tammy is a software saleswoman. Let y represent her total pay (in dollars). Let

Question

Tammy is a software saleswoman. Let y represent her total pay (in dollars). Let x represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation =+90x2200y . Answer the questions below. Note that a change can be an increase or a decrease. For an increase, use a positive number. For a decrease, use a negative number.

1) What is the change in tammy's total pay for each copy of history is fun she sells?

2) what is tammy's total pay if she doesnt sell any copies of history is fun?

Explanation / Answer

Answer: Given the total pay function as   Y = 90x +2200, where x = number of copies of History of Fun

then

(1)   Change in Tammy's total pay for each copy of History of fun she sells = $ 90

(2) If she doesn't sell any copies of History of fun then her total pay = $2200.

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