Short Answer
The demand equation for a certain brand of metal alloy audiocassette tape is 
, where x represents the number (in thousands) of ten-packs demanded each week when the unit price is $p.How fast is the quantity demanded increasing when the unit price/ten-pack is $11 and the selling price is dropping at the rate of $.18/ten-pack/week? Round the answer to the nearest integer.
Hint: To find the value of x when p = 11, solve the equation 
for x when p = 11.
Increasing at the rate of __________ ten packs/wk.
Correct Answer:
Verified
Correct Answer:
Verified
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