Math Problem Statement
Selidiki apakah persamaan yang berikut merupakan suatu fungsi atau bukan? Berikan alasan yang mendasari jawaban anda.
a. x ^ 2 + y ^ 2 = 9
b. xy + y + 3y = 4
c. x = sqrt(3y + 1)
d. 3x = y/(y + 1)
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Functions
Circle Equation
Square Roots
Formulas
Circle equation formula: x^2 + y^2 = r^2
Square root equation: x = sqrt(a)
Factoring: y(x + 4) = 4
Theorems
Definition of a function: A relation where each input has exactly one output
Vertical Line Test for functions
Suitable Grade Level
Grades 9-11
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