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Easy Math · Problem-Solving and Data Analysis · Two-variable data: Models and scatterplots · MCQ
The figure presents the graph of a curve in a coordinate plane, titled “Braking Distance versus Speed.” The horizontal axis is labeled “Speed, in miles per hour,” and the numbers 0 through 80, in increments of 20, are indicated. The vertical axis is labeled “Braking distance, in feet,” and the numbers 0 through 600, in increments of 100, are indicated. Note that all of the following coordinate values are approximate. The graph starts at the origin, and moves steadily upward and to the right, passing through the point with coordinates 20 comma 50, the point with coordinates 40 comma 150, and the point with coordinates 60 comma 300. The graph then goes upward more rapidly as it moves to the right and ends approximately at the point with coordinates 80 comma 600.

The graph above shows the relationship between the speed of a particular car, in miles per hour, and its corresponding braking distance, in feet. Approximately how many feet greater will the car’s braking distance be when the car is traveling at 50 miles per hour than when the car is traveling at 30 miles per hour?

  1. A

    75

  2. B

    125

  3. C

    175

  4. D

    250

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id cb_question_bank:97d196ce-1429-458d-8ad4-9d545dd2e561 · question d6121490 · IBN 031603-DC · JSON