OpenStax, Intermediate Algebra 2e §3.5 Relations and Functions · Try It 5 · Algebra · Graphs

Relations and Functions · Try It 5

Determine whether each equation is a function.
ⓐ $4 x + y = - 3$ ⓑ $x + y^{2} = 1$ ⓒ $y - x^{2} = 2$

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OpenStax, Intermediate Algebra 2e · §3.5 Relations and Functions · Try It 5

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