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25-05-2018
Mathematics

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What are the range values of the function f(x)=-3x2+5f(x)=-3x2+5 for the domain values {-2, 0, 1}?

Respuesta :

28-05-2018

Put the values of x from domain to the equation of the function:

[tex]f(x)=-3x^2+5\\\\for\ x=-2\to y=-3(-2)^2+5=-3(4)+5=-12+5=-7\\for\ x=0\to y=-3(0)^2+5=5\\for\ x=1\to y=-3(1)^2+5=-3+5=2[/tex]
Answer: {-7; 2; 5}

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