Question
A function f is defined by f(x) = 2x –5. What is the value of f(-3)?
✓
Answer
We have, f(x) = 2x - 5
Putting x = -3
$\therefore f( - 3) = 2 \times - 3 - 5 = - 11$
Putting x = -3
$\therefore f( - 3) = 2 \times - 3 - 5 = - 11$
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