Functions and variables
This letter b stands for the number that is put into the function machine.
b
b + 2
1 Talk to a partner about the rule of the function machine.
2 If the number 10 is fed into the machine, what number will come out?
3 Use the function machine to find the value of b.
(a) b + 2 = 6 (b) b + 2 = 14 (c) b + 2 = 19 (d) b + 2 = 100
4 Find the value of n in each of these equations.
(a) n + 7 = 10 (b) n – 3 = 9 (c) n + 4 = 6 (d) n – 10 = 4
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28/04/2022 12:13
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