6. The value of f(x) = 5x-4x+3 when x = -1, is: a. 3 b. -12 C. -5 d. 6
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Answer:
-6
Explanation:
f(x) = 5x-4x+3 x = -1
f (-1)= 5 (-1)-4 (-1)+3
f (-1)= -5-4+3
f (-1)= -6
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