andybiersack154 andybiersack154

06-03-2021
Mathematics

contestada

If f(x)=3x^2+x-2, then f(-2)=

If fx3x2x2 then f2 class=

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jimrgrant1 jimrgrant1

06-03-2021

Answer:

f(- 2) = 8

Step-by-step explanation:

To evaluate f(- 2) , substitute x = - 2 into f(x) , that is

f(- 2) = 3(- 2)² + (- 2) - 2 = 3(4) - 2 - 2 = 12 - 4 = 8

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