manda912 manda912
  • 13-01-2019
  • Mathematics
contestada

Domain and range of f(x)=7x^2-2

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-01-2019

Answer:

Domain:  all real numbers

Range y≥ -2

Step-by-step explanation:

The domain is  the input values or x values

X can be any value so the domain is all real values

The range is the output values or y values

x^2 is positive or 0  The smallest value y can take is 0-2  or -2

The range is y≥-2

Answer Link
Аноним Аноним
  • 13-01-2019

DOMAIN:

real numbers

RANGE;

y≥-2

Answer Link

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