Find the Domain q=4p-3z
Problem
Solution
Identify the type of function. The expression
q=4*p−3*z is a linear function of two variables,p andz Check for restrictions. There are no denominators that could be zero, no square roots of negative numbers, and no logarithms of non-positive numbers.
Determine the set of possible values. Since the operations of multiplication and subtraction are defined for all real numbers,
p andz can be any real number.State the domain in set notation. The domain is the set of all ordered pairs
(p,z) such that bothp andz belong to the set of real numbersℝ
Final Answer
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