I dont understand 5a can u please help?
1 answer:
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Answer:
x = 18.5
Step-by-step explanation:
Given
+
= 10
Multiply through by 4 to clear the fractions
2x + 3 = 40 ( subtract 3 from both sides )
2x = 37 ( divide both sides by 2 )
x = = 18.5
The range of the inverse has to match the domain of the original function. We want to have map to
, so we restrict the domain of
to this interval.