Answer:
x = 12
y = 49
Step-by-step explanation:
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1 + 0.09 = 1.09
90 * 1.09 = 98.1
The original price of the in-line skates was $98.1
Answer:
see explanation
Step-by-step explanation:
To show f and g are inverses we require to show that
f(g(x)) = x and g(f(x)) = x
f(g(x))
= f(6x - 4)
= = = x
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g(f(x))
= g( )
= ( 6 × ) - 4
= x + 4 - 4 = x
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Hence f and g are inverses