Find the Domain Q=50-5p
Problem
Solution
Identify the type of function. The expression
Q=50−5*p is a linear function whereQ is the dependent variable andp is the independent variable.Determine mathematical constraints. In a pure mathematical context, a linear polynomial has no restrictions (no denominators that could be zero and no even roots of negative numbers).
Consider economic context. Since
Q usually represents quantity andp represents price, both variables must typically be non-negative (p≥0 andQ≥0 .Solve for the upper bound of
p by settingQ≥0
Combine the constraints to find the interval for
p
Final Answer
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