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Interpret Slope and Intercepts in Context
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ACCUPLACER
AAF.020 Interpret Slope and Intercepts in Context
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A savings model is M(a) = 0.75a + 12, where a is years after age 18 and M is thousands of dollars saved. What does the y-intercept represent?
A
The person reaches $0 savings 12 years after age 18.
B
At age 18, the model predicts $12,000 saved.
C
The person saves $12,000 every year after age 18.
D
The person saves $750 at age 18.
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