Thank you for any help =) It is greatly appreciated!
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This is simple substitution.
f(-3) = 3(-3)^2 + 2(-3) + 20
f(-3) = 3(9) - 6 + 20
f(-3) = 27 - 6 + 20
f(-3) = 41 <=======Answer
Blessings
f(-3) = 3(-3)^2 + 2(-3) + 20
f(-3) = 3(9) - 6 + 20
f(-3) = 27 - 6 + 20
f(-3) = 41 <=======Answer
Blessings
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the answer is 69