Math Problem Statement
Which of the following functions has at least one vertex? Select all that apply. A.f(x)=x+9
B.g(x)=2x2
C.b(x)=3x
D.m(x)=−x3
E.j(x)=∣x∣
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Functions
Quadratic Functions
Absolute Value Functions
Cubic Functions
Formulas
Quadratic formula: x = -b / 2a
Vertex formula for quadratic functions
Absolute value function: vertex at |x| = 0
Theorems
Quadratic Functions have a vertex
Absolute Value Functions have a vertex
Linear functions do not have vertices
Cubic functions do not have vertices
Suitable Grade Level
Grades 8-10
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