I NEED HELP!!!! Ryan bought 3 CDs that were each the same price. Including sales tax, he paid a total of 48.60. Of that total, 1
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Flip the curve over <em>y</em><em> </em><em>=</em><em> </em><em>x</em><em> </em>then observe what is y when x = -3. You will find that .
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The cost for a party here is the base fee, plus charges for any additional guests.
So we know for a 15-person party, the price is going to be $100. That's a flat (constant) cost.
We know that for each additional person, we add $12. So for
more people, the cost is $
.
Since 100 is constant here, we make that our y-intercept. Even with no additional guests, the cost is still $100.
We add to write
. 12 is the constant rate of change (slope).
So we know for a 15-person party, the price is going to be $100. That's a flat (constant) cost.
We know that for each additional person, we add $12. So for
Since 100 is constant here, we make that our y-intercept. Even with no additional guests, the cost is still $100.
We add to write