Advanced Math practice question

Answer: 100

f(3) = 9a = 36 gives a = 4. Then f(5) = 4(25) = 100.

Common wrong answers

If you answered 20

20 is 4 × 5, not 4 × 5².

If you answered 25

25 forgets the factor a.

If you answered 60

60 scales 36 linearly by 5/3.

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