SAT Math Practice Question
$$y=19.99+1.50 x$$The equation above models the total cost $y$, in dollars, that a company charges a customer to rent a truck for one day and drive the truck $x$ miles. The total cost consists of a flat fee plus a charge per mile driven. When the equation is graphed in the $x y$-plane, what does the $y$-intercept of the graph represent in terms of the model?
- A.A flat fee of $\$ 19.99$
- B.A charge per mile of $\$ 1.50$
- C.A charge per mile of $\$ 19.99$
- D.Total daily charges of $\$ 21.49$
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