Kara is 4 more than twice as old as Julia. The sum of their ages is 13. How old is Julia?
1 answer:
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The graph shows the maximum residual is ...
◉ Data point (10, 10); Residual = 4.50
_____
Apparently, this question makes no use of the line of best fit.
◉ Data point (10, 10); Residual = 4.50
_____
Apparently, this question makes no use of the line of best fit.
The answer is -|0.35 t -14| +14
<u>Step-by-step explanation</u>:
The problem statement is asking for an expression for distance in miles, so the constants in the expression will be miles. In the time it takes to get to point B (40 minutes), the ferry has gone (0.35 mi/min)×(40 min) = 14 mi. Hence the maximum value of the function must be 14. The only function with that characteristic is the one of selection D.
