What is a Function?

Descripción

(Introduction to Functions) Algebra Test sobre What is a Function?, creado por Christine Davis - IU8 el 30/07/2017.
Christine Davis - IU8
Test por Christine Davis - IU8, actualizado hace más de 1 año
Christine Davis - IU8
Creado por Christine Davis - IU8 hace alrededor de 7 años
22
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Resumen del Recurso

Pregunta 1

Pregunta
Which statement correctly describes a function?
Respuesta
  • Each element of the range is paired with exactly one element of the domain
  • Each element of the domain is paired with exactly one element of the range
  • Elements of the domain may be paired with multiple elements of the range
  • No ordered pair may contain the same elements

Pregunta 2

Pregunta
Find f(3) if f(x) = 2x - 4
Respuesta
  • 10
  • 3.5
  • 2
  • 6

Pregunta 3

Pregunta
Which statement describes the domain elements of a function?
Respuesta
  • The set of all x-coordinates of the function
  • The set of all y-coordinates of the function
  • The set of all dependent values
  • The output values of the function

Pregunta 4

Pregunta
Which statement describes the range elements of a function?
Respuesta
  • The set of all x-coordinates of the function
  • The set of all y-coordinates of the function
  • The set of all independent values
  • The input values of the function

Pregunta 5

Pregunta
Which relation represents a function?
Respuesta
  • { (1, 2), (1, 3), (1, 4) }
  • { (1, 2), (2, 2), (3, 2) }
  • { (1, -1), (-1, 1), (-1, -1), (1,1) }
  • { (0, 2), (0, 4), (0, 6), (0, 8) }

Pregunta 6

Pregunta
Find f(-2) if f(x) = 3x - 5
Respuesta
  • 11
  • 1
  • -11
  • -1
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