Practice
277.8 millionEndless problems made on demand, each with an exactly computed answer. Every click is a new one.
Curated
20| # | Title | Difficulty | Source | Tags | |
|---|---|---|---|---|---|
| 107 | Run it backwardsFunctions | Easy | Lemma | ||
| 755 | Compose two functionsFunctions | Easy | Lemma | ||
| 756 | Where it's undefinedFunctions | Easy | Lemma | ||
| 758 | Apply it twiceFunctions | Easy | Lemma | ||
| 976 | Direct variation calculationFunctions | Easy | Hall & Knight | ||
| 977 | Inverse variation calculationFunctions | Easy | Hall & Knight | ||
| 978 | Square–cube joint variationFunctions | Easy | Hall & Knight | ||
| 979 | Joint variation with two variablesFunctions | Easy | Hall & Knight | ||
| 1505 | Distance after 10 secondsFunctions | Easy | Hall & Knight | ||
| 51 | A radical that goes on foreverFixed points | Medium | Lemma | ||
| 757 | Invert a fractionFunctions | Medium | Lemma | ||
| 980 | Combination of variationsFunctions | Medium | Hall & Knight | ||
| 981 | Derived inverse variationFunctions | Medium | Hall & Knight | ||
| 988 | Prove variation of AFunctions | Medium | Hall & Knight | ||
| 989 | Quadratic variation of yFunctions | Medium | Hall & Knight | ||
| 990 | Volume of a sphereFunctions | Medium | Hall & Knight | ||
| 991 | Ratio of radii of discsFunctions | Medium | Hall & Knight | ||
| 1506 | Distance in the 10th secondFunctions | Medium | Hall & Knight | ||
| 992 | Regatta race scheduleFunctions | Deep | Hall & Knight | ||
| 996 | Locomotive Coal Consumption and Journey CostFunctions | Deep | Hall & Knight |
From open sources
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