If f(x)= 2(3x-1) find:
a) f‐1 (-2)
b)f-1 (3).
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Step-by-step explanation:
f(x)=2x
2
−3x−1
f(x+2)=2(x+2)
2
−3(x+2)−1
=2(x
2
+4+4x)−3x−6−1
=2x
2
+8+8x−3x−7
=2x
2
+5x+1
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