On Monday the temperature was 6.c overnight it fell to -2.cby how many degrees did it fall
1 answer:
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f(x) = g(x) =
g⁻¹(x): x =
x(y + 4) = 5y - 1 <em>multiplied both sides by y + 4</em>
xy + 4x = 5y - 1 <em>distributed x into y + 4 on left side</em>
xy + 4x + 1 = 5y <em>added 1 to both sides</em>
4x + 1 = 5y - xy <em>subtracted xy from both sides</em>
4x + 1 = y(5 - x) <em>factored y on the right side</em>
= y <em>divided 5 - x from both sides</em>
f(x) ≠ g⁻¹(x) so they are not inverses of each other
Answer: NOT INVERSES because f(x) ≠ g⁻¹(x)