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Grade 6
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Graphs
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Functions
Functions
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🎬 Guided Practice
✏️ Practice
Concept 1 of 3 · no score 🙂
A rule for any value
Forwards with the rule · backwards with the inverse
× 2
1
2
3
6
5
10
input
output
to find an INPUT, use the inverse: ÷ 2
inverse of add is subtract · inverse of multiply is divide
Output 10? Then the input was
10 ÷ 2 = 5
.
1
1 Hong Kong dollar buys 9 rupees.
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