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Does anyone know how to solve this pre cal question Im super confused

Does anyone know how to solve this pre cal question Im super confused-example-1
User Dwxw
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1 Answer

5 votes

Answer:

f(-3) = 3*-3 + 4 = -9 + 4 = -5

f(3) = 2*3 - 2 = 6 - 2 = 4

f(0) = 2*0 - 2 = 0 - 2 = -2

User Mgrenier
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