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Find f(-2) for the function f(x)= 3x2-2x+7
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Find f(-2) for the function f(x)= 3x2-2x+7

User Stephen Higley
by
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1 Answer

3 votes

Answer:

f( - 2) = 23

Explanation:


f(x) = 3 {x}^(2) - 2x + 7 \\ plug \: x = - 2 \\ f( - 2) = 3 {( - 2)}^(2) - 2( - 2)+ 7 \\ = 3 * 4 + 4 + 7 \\ = 12 + 11 \\ \huge \red{ \boxed{ f( - 2) = 23}}

User Broatian
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