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What is the range of y= absolute value f(x) if f(x) = -x^2? And can you explain how you got the
answer? Thanks
Solution
f(x)=-x^2
before commenting about the range of this firstly check its domain
now we can see that there is not a single point where the function is not defined
hence the domain is all real
now as x2 is always positive whether x is +ve or -ve
hence
-x2 is always negaive which is our function
hence
f(x)=-x2 is alwayys negative
hence its range is (-infinnity, 0]

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What is the range of y= absolute value f(x) if f(x) = -x^2 And can .pdf

  • 1. What is the range of y= absolute value f(x) if f(x) = -x^2? And can you explain how you got the answer? Thanks Solution f(x)=-x^2 before commenting about the range of this firstly check its domain now we can see that there is not a single point where the function is not defined hence the domain is all real now as x2 is always positive whether x is +ve or -ve hence -x2 is always negaive which is our function hence f(x)=-x2 is alwayys negative hence its range is (-infinnity, 0]