Problem

In the context of starting costs, compare these $\text{two}~y\text{-}\text{intercepts}$: Model A has $y\text{-}\text{intercept}$ $40~\text{dollars}$, and Model B has $y\text{-}\text{intercept}$ $25~\text{dollars}$.

Big Picture

What this problem is really about

Comparing intercepts means comparing both models at the shared input of zero. Confirm that zero has the same contextual meaning, identify which predicted starting value is larger, and subtract the smaller intercept from the larger so the comparison reports a difference rather than merely repeating one starting value.

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Model A has the higher starting cost because its y-intercept is $40, so it starts $40 more than Model B.

Model A has the higher starting cost because its y-intercept is $40, which is $15 more than Model B’s $25.

Model B has the higher starting cost because Model A’s $40 and Model B’s $25 differ by $15.

Both models have the same starting cost because both y-intercepts represent where the line starts.

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In the context of starting costs, compare these \(\text{two}~y\text{-}\text{intercepts}\): Model A has \(y\text{-}\text{intercept}\) \(40~\text{dollars}\), and Model B has \(y\text{-}\text{intercept}\) \(25~\text{dollars}\).

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