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Evaluate this function at x=3 Express your answer as an i ther or simplified fraction. If the function is undefined at the given value indicate undefined

Evaluate This Function At X3 Express Your Answer As An I Ther Or Simplified Fraction If The Function Is Undefined At The Given Value Indicate Undefined class=

Sagot :

We are given a piece-wise function so to evaluate f(x), we need to identify which set of operations should be used by knowing where the value of x falls under.

We are looking for f(3) and 3 ≥ 3 so we use

[tex]f(x)=-\frac{1}{3}x-8[/tex]

We substitute 3 for the x to get:

[tex]\begin{gathered} f(3)=-\frac{1}{3}(3)-8 \\ \\ f(3)=-1-8 \\ \\ f(3)=-9 \end{gathered}[/tex]

The answer is -9.

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