Sasha thinks of a number.
She adds 1 to her number then multiplies the result by 5.
a Use a...
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Mathematics, 18.09.2021 14:10 cezzypezzyceezy776
Sasha thinks of a number.
She adds 1 to her number then multiplies the result by 5.
a Use a mapping to write this as a function.
The answer Sasha gets is 11.
b UÅŸe inverse functions to work out the number Sasha thought of in the beginning.
Show all your working.
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