What is the range of the function y=2x^{2} +4x-5 ?
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logarithmic functions: f(x)=log(x)
logarithmic functions are not defined for non positive argument so check where the argument is ≤0.
log(x−2) ⇒ x−2=0 , x=2
x−2≤0 , x≤2
f(x) is defined for x≤2, so the domain is (2,∞)
The range is R.
logarithmic functions are not defined for non positive argument so check where the argument is ≤0.
log(x−2) ⇒ x−2=0 , x=2
x−2≤0 , x≤2
f(x) is defined for x≤2, so the domain is (2,∞)
The range is R.
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