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What is the range of the quadratic function f(x)=−x2+3f(x)=-x^2+3f(x)=−x2+3 ?
[−∞,+∞][-∞,+∞][−∞,+∞]
(−∞,3](-∞,3](−∞,3]
Is the sentence true or false?
The range of the quadratic function f(x)=x2f(x)=x^2f(x)=x2 is [0,∞)[0,∞)[0,∞) .
True
False
What is the range of the quadratic function f(x)=x2+2f(x)=x^2+2f(x)=x2+2 ?
y≥2y\ge2y≥2
(−2,∞](-2,∞](−2,∞]
What is the range of the quadratic function f(x)=(x+1)2−5f(x)=(x+1)^2-5f(x)=(x+1)2−5 ?
y≥−5y\ge-5y≥−5
(5,∞](5,∞](5,∞]
1. Is the sentence true or false?
The range of the quadratic function f(x)=x2−3f(x)=x^2-3f(x)=x2−3 is [3,∞)[3,∞)[3,∞) .
What is the range of the quadratic function f(x)=−x2f(x)=-x^2f(x)=−x2 ?
y≤0y\le0y≤0
Integer Numbers
What is the range of the quadratic function f(x)=x2+7f(x)=x^2+7f(x)=x2+7 ?
[7,∞)[7,∞)[7,∞)
What is the range of the quadratic function f(x)=−x2−2f(x)=-x^2-2f(x)=−x2−2 ?
y≤−2y\le−2y≤−2
What is the range of the quadratic function f(x)=x2−1f(x)=x^2-1f(x)=x2−1 ?
y≥−1y\ge−1y≥−1
ZℤZ
What is the range of the quadratic function f(x)=(x+1)2+2f(x)=(x+1)^2+2f(x)=(x+1)2+2 ?
It is done.