1003030404 Level: CIdentify which of the following points lies on the graph of the inverse of function f(x)=x3+2.[−6;−2][6;2][−2;−6][−6;2][−2;6]
1003030403 Level: CIdentify which of the following functions is not an injective (one-to-one) function.m(x)=|x−2|; x∈[−2;3)h(x)=x3+3; x∈[−2;3)g(x)=(x+2)2; x∈[−2;3)f(x)=x+2x−3; x∈[−2;3)
1003030402 Level: CSuppose function f is given completely by the next table. x−3−2−10123f(x)−12−31−232 Identify which of the following statements is true.The inverse of f does not exist.The inverse of f is function h, which is given completely by the next table. x−12−31−232h(x)−3−2−10123The inverse of f is function g, which is given completely by the next table. x−3−2−10123g(x)1−23−12−3−2The inverse of f is function m, which is given completely by the next table. x3210−1−2−3m(x)1−23−12−3−2
1003030401 Level: CSuppose function f is given completely by the next table. x−3−2−10123f(x)−1012345 Identify which of the following functions is the inverse of f.Function h, which is given completely by the next table. x−1012345h(x)−3−2−10123Function m, which is given completely by the next table. x−3−2−10123m(x)543210−1Function g, such that g(x)=x−2 for x∈[−1;5].Function n, such that n(x)=x+2 for x∈[−3;3].
1003030807 Level: BThe function f(x) is increasing in the interval J. Identify which of the following statements is false.The function h(x)=−2f(x) is increasing in the interval J.The function g(x)=2f(x) is increasing in the interval J.The function m(x)=f(x)+2 is increasing in the interval J.The function n(x)=f(x)−2 is increasing in the interval J.
1103030806 Level: AThe function f is given by the graph. Identify which of the following statements is false.The function f is non-increasing in the interval [−3;2].The function f is not increasing.The function f is decreasing in the interval [2;5].The function f is non-decreasing in the interval [−1;2].
1003030805 Level: BIdentify which of the following functions is increasing in the interval [1;∞).m(x)=(1−x)2g(x)=1−xh(x)=1−x2f(x)=1−x3
1003030804 Level: BIdentify which of the following functions is decreasing in the interval [0;∞).m(x)=−x2h(x)=1xg(x)=−100+0.1xf(x)=(−x)2
1103030803 Level: AThere is a part of the graph of the function f(x)=x3 in the picture. Identify which of the following statements is true.The function f is increasing in the interval [−1;1].The function f is decreasing in the interval [−1;1].The function f is non-decreasing and it is not increasing in the interval [−1;1].The function f is non-increasing in the interval [−1;1].
1103030802 Level: AThe function f is given by the graph. Identify which of the following statements is true.The function f is neither increasing nor decreasing.The function f is increasing.The function f is non-decreasing.The function f is increasing in the interval [−4;1].