2010012405 Level: AFind the true statement about the function f(x)=(x+1)3−2.The function f is an injective (one-to-one) function.The function f is decreasing.The function f is odd.The function f has the minimum at x=−1.
2010012404 Level: AIn the following list identify a decreasing function.f:y=−x3f:y=x4f:y=−x4f:y=x−3f:y=−x2
2010012403 Level: AIdentify a function which is not one-to-one on the interval [−2;2].f:y=x2−2f:y=x2+4xf:y=−x3f:y=(x−2)2f:y=(x+2)2f:y=x3−2
2010012402 Level: AIdentify a function which is decreasing on (−3;2).f:y=(x−2)2f:y=(x+2)2f:y=(x+3)2f:y=x2−2xf:y=−x2+1f:y=x3
2010012401 Level: AIdentify a function which is increasing on (−1;∞).f:y=x3f:y=x4f:y=−x3f:y=x−4f:y=−x−2f:y=−x−3
2000001704 Level: BThe graphs represent the parts of the functions f(x)=x3, g(x)=x5 and h(x)=x9. Choose the legend which assigns the correct color of the graph to each of the given functions.f — red, g — green, h — bluef — blue, g — green, h — redf — green, g — red, h — bluef — green, g — blue, h — red
2000001703 Level: BThe graphs represent the parts of the functions f(x)=x, g(x)=x4 and h(x)=x10. Choose the legend which assigns the correct color of the graph to each of the given functions.f — red, g — green, h — bluef — blue, g — green, h — redf — green, g — red, h — bluef — green, g — blue, h — red