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प्रश्न
A function f is defined as : f(x) = 5 – x for 0 ≤ x ≤ 4. Find the value of x such that f(x) = 3
उत्तर
f(x) = 5 – x for 0 ≤ x ≤ 4
f(x) = 3
∴ 5 – x = 3
∴ x = 2.
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