Answer :
Final answer:
The value of f(4) in the equation f(x) = -4(X + 3) - 14 is found by substituting '4' for 'x'. This simplifies to f(4) = -42, hence the answer is iii) -42.
Explanation:
To find the value of f(4) when f(x) = -4(x + 3) - 14, you substitute '4' for 'x' in the equation.
Therefore the equation becomes:
f(4) = -4(4 + 3) - 14
It simplifies to:
f(4) = -4*7 - 14
Which simplifies again to:
f(4) = -28 - 14
So, f(4) = -42, makes option iii) the correct answer.
Function evaluation is the process of determining the output or result of a mathematical function for a specific input or set of inputs.
In mathematics, a function is a rule or relationship that assigns each input value (often denoted as "x") to a unique output value (often denoted as "f(x)").
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