Question

dada a funcão f(x)= -3x²+2x-10, determine f(2)
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Answer 1

▶️Devemos substituir x por 2

• $\small{f(2)=-3.(2)²+2.(2)-10}$

• $\small{-3.(4)+2.(2)-10}$

• $\small{-12+4-10}$

• $\small{-8-10}$

• $\underbrace{\small{-18}}$

▶️ logo f(2) será igual a -18