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Given f(x)=-x-3, find f(-1). Answer:

Given f(x)=−x−3 f(x)=-x-3 , find f(−1) f(-1) .\newlineAnswer:

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Find the magnitude of a vector scalar multipleright chevron icon

Full solution

Q. Given f(x)=−x−3 f(x)=-x-3 , find f(−1) f(-1) .\newlineAnswer:
  1. Substitute value into function: Substitute the value −1-1 into the function f(x)=−x−3f(x) = -x - 3.\newlineWe need to replace xx with −1-1 in the function.\newlinef(−1)=−(−1)−3f(-1) = -(-1) - 3
  2. Simplify expression: Simplify the expression by performing the operations. f(−1)=1−3f(-1) = 1 - 3
  3. Find value of f(−1)f(-1): Subtract 33 from 11 to find the value of f(−1)f(-1).\newlinef(−1)=−2f(-1) = -2

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