Fitting Linear Models to Data · Exercise 35

Consider this scenario: The profit of a company decreased steadily over a ten-year span. The following ordered pairs shows dollars and the number of units sold in hundreds and the profit in thousands of dollars over the ten-year span, (number of units sold, profit) for specific recorded years:

$\left(\text{46},\text{1},\text{6}00\right),\left(\text{48},\text{1},\text{55}0\right),\left(\text{5}0,\text{1},\text{5}0\text{5}\right),\left(\text{52},\text{1},\text{54}0\right),\left(\text{54},\text{1},\text{495}\right)$.

Find to the nearest tenth and interpret the x-intercept.

OpenStax, Precalculus 2e · §2.4 Fitting Linear Models to Data · Exercise 35