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The expression 20 + 7x represents the total savings in your account, in dollars per month, after x months. What does the constant term represent?

User CoolLife
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The expression 20 + 7x is a linear function.

The constant term (20) represents the initial amount of money in the account, since it represents the savings after 0 months.

In the graph, this term is the y-intercept of the function, that is, it's where the line intersects the y-axis, representing again the initial value, where x = 0.

User SaeX
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