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The function S=5000 +200x and D=9500-100x express the supply S and the demand D, respectively, for a popular compact disc brand as a function of its price x (in dollars). a) Graph the functions on the same coordinate system. b) What happens to the supply as the price...
Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.
A student has completed 32 credits with a GPA of 2.65. How many credits must he now complete with a grade of 3.5 in order to raise his GPA to 3.0 or higher? It must be a whole number of credits.
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