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Math  /  Algebra

QuestionQuestion 17 If f(x)=−2x−3f(x) = -2x - 3 and g(x)=x2+5xg(x) = x^2 + 5x, find the value. f(6)=f(6) =

Studdy Solution

STEP 1

1. We are given the function f(x)=−2x−3 f(x) = -2x - 3 .
2. We need to find the value of f(6) f(6) .

STEP 2

1. Substitute x=6 x = 6 into the function f(x) f(x) .
2. Simplify the expression to find f(6) f(6) .

STEP 3

Substitute x=6 x = 6 into f(x) f(x) :
f(6)=−2(6)−3 f(6) = -2(6) - 3

STEP 4

Simplify the expression:
f(6)=−12−3 f(6) = -12 - 3 f(6)=−15 f(6) = -15
The value of f(6) f(6) is:
−15 \boxed{-15}

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