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QuestionEvaluate the function f(x)=−2x+5f(x)=-2x+5 at x=−4x=-4. What is f(−4)f(-4)?

Studdy Solution

STEP 1

Assumptions1. The function is given as f(x)=−x+5f(x)=-x+5 . We need to evaluate the function at x=−4x=-4

STEP 2

To evaluate a function at a specific point, we substitute the given value into the function. In this case, we substitute x=−4x=-4 into the function f(x)=−2x+5f(x)=-2x+5.
f(−4)=−2(−4)+5f(-4) = -2(-4) +5

STEP 3

Perform the multiplication operation first, according to the order of operations (PEMDAS/BODMAS).
f(−)=8+5f(-) =8 +5

STEP 4

Now, perform the addition operation.
f(−4)=13f(-4) =13So, when we evaluate the function f(x)=−2x+f(x)=-2x+ at x=−4x=-4, we get f(−4)=13f(-4)=13.

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