Maharashtra State BoardHSC Commerce 11th
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A function f is defined as follows: f(x) = 4x + 5, for −4 ≤ x < 0. Find the values of f(−1), f(−2), f(0), if they exist. - Mathematics and Statistics

Sum

A function f is defined as follows: f(x) = 4x + 5, for −4 ≤ x < 0. Find the values of f(−1), f(−2), f(0), if they exist.

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Solution

f(x) = 4x + 5, – 4 ≤ x < 0
f(–1) = 4(–1) + 5 = –4 + 5 = 1
f(–2) = 4(–2) + 5 = –8 + 5 = –3
x = 0 ∉ domain of f
∴ f(0) does not exist.

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APPEARS IN

Balbharati Mathematics and Statistics 1 (Commerce) 11th Standard Maharashtra State Board
Chapter 2 Functions
Miscellaneous Exercise 2 | Q 3 | Page 32
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