A data set pairs $x=1,2,3,4$ with $y=7,11.5,16,20.5$. Which model fits, and why?

For $x=-2,-1,0,1$, the outputs are $18,14,10,6$. Which family is supported by the table?

A table gives $x=0,2,4,6$ and $y=3,10,17,24$. Which model fits the data best?

The pairs $x=1,2,3,4$ and $y=-5,-1,3,7$ are recorded. What model family and evidence match?

A data set pairs $x=0,1,2,3$ with $y=5,8,12.8,20.48$. Which model fits, and why?

For $x=1,2,3,4$, a population measure has values $81,27,9,3$. Which family is best supported?

The table lists $x=0,1,2,3$ and $y=2,5,12.5,31.25$. What type of model fits?

A table pairs $x=-1,0,1,2$ with $y=48,24,12,6$. Which conclusion is justified?

A pipe fills a tank at a steady rate of 3 liters each minute. Which model family fits the amount of water after $t$ minutes?

A substance loses 18 percent of the amount remaining each hour. Which model family fits the amount after $t$ hours?

A square patio has side length $t$ meters. Which model family fits its area as the side length changes?

A sensor’s reading increases by 1 whenever a concentration is multiplied by 10. Which family best models reading as a function of concentration?

Model A is $y=6x+5$ and Model B is $y=5(1.5{)}^x$. At $x=6$, the observed value is $42$. Which model does this check support?

Model A is $y=3x+18$ and Model B is $y=18(1.15{)}^x$. At $x=4$, the observed value is $31.5$. Which model is supported?

Model A is $y=-4x+80$ and Model B is $y=80(0.9{)}^x$. At $x=7$, the observed value is $52$. Which model matches the observed value, and why?

Model A is $y=2x^2+3$ and Model B is $y=8(1.5{)}^x$. At $x=5$, the observed value is $61$. Which model does the observation favor?

A data set pairs $x=0,1,2,3,4$ with $y=3,5,11,21,35$. Which model fits, and why?

For $x=-2,-1,0,1$, the outputs are $10,3,0,1$. Which family is indicated by the differences?

A table gives $x=0,2,4,6$ and $y=1,7,21,43$. Which model family best fits the table?

The values $2,5,10,17,26$ occur at $x=1,2,3,4,5$. Which conclusion is justified?