Which function is graphed? f(x)=−13x f(x)=x31 f(x)=−3x f(x)=3x
1 answer:
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Answer:
Step-by-step explanation:
Let that number be . We can build an equation, and solve for
.
less than half of
is
.
more than
is
.
We are given that the two quantities are equal, so we have that .
Adding to both sides gives
.
Multiplying both sides by gives
.
Subtracting from both sides gives
.
Multiplying both sides by gives
.
So, the number is and we're done!
The check is left as an exercise to the reader.