Which of the following equations is a function? A.x + y^2 = 4 B.x^2 + y^2 = 16 C.x^3 = y D.y = √x + 1
Which of the following equations is a function? A.x + y^2 = 4 B.x^2 + y^2 = 16 C.x^3 = y D.y = √x + 1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 58E
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Which of the following equations is a function?
A.x + y^2 = 4
B.x^2 + y^2 = 16
C.x^3 = y
D.y = √x + 1
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