jacobgrecco9915 jacobgrecco9915

01-10-2018
Mathematics

contestada

Please help 20 POINTS. Problem below

Please help 20 POINTS Problem below class=

Respuesta :

tramserran tramserran

01-10-2018

f(x): y = 9x² - 12

f⁻¹(x): x = 9y² - 12

x + 12 = 9y²

[tex]\frac{x+12}{9} = y^{2}[/tex]

[tex]\sqrt{\frac{x+12}{9}} = |y|[/tex] ; x ≥ -12

[tex]+/-\sqrt{\frac{x+12}{9}} = y[/tex]

Answer: C

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