Answer:
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Step-by-step explanation:
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The answer is: D
If f(x) = 4 - 7x then x = -f/7, 0
but if
f(x) = 0 then x = 0.
2 + 3² * ( 3 -1) = 2 + 9 * 2
= 2 + 18
= 20
