2100005105 Level: AThe pictures show graphs of different functions f. For which of the graphed functions is D(f)={2;3;4;5;6}?
1003019301 Level: BWhich of the following functions has maximum at x=−3?f(x)=−2x−3; x∈[−3;3)h(x)=2x+3; x∈[−3;3]g(x)=−3x+2; x∈(−3;3]m(x)=2x−3; x∈(−∞;0]
1003028403 Level: BWhich of the following functions has the range [−3;∞)?f(x)=x2−3h(x)=x−3g(x)=|x+3|m(x)=1x−3
1003028404 Level: BLet f(x)=x+3x2−25. Which of the statements about the domain of the function f is true?D(f)=[−3;5)∪(5;∞)D(f)=(−3;5)∪(5;∞)D(f)=(−∞;−5)∪(−5;5)∪(5;∞)D(f)=(−∞;−5)∪(−5;−3)∪(−3;5)∪(5;∞)