If f(x) = {x2+3, x≤25x+7, x>2, then find f(3) - Mathematics and Statistics

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Sum

If f(x) = `{(x^2 + 3","  x ≤ 2),(5x + 7","  x > 2):},` then find f(3)

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Solution

f(x) = x2 + 3,      x ≤ 2
= 5x + 7,            x > 2
f(3) = 5(3) + 7 = 15 + 7 = 22

  Is there an error in this question or solution?
Chapter 2: Functions - Exercise 2.1 [Page 31]

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