29. As a class experiment, a cart was rolled at a constant rate along a straight line. Shawn recorded in the chart below the cart’s distance (x), in feet, from a reference point at the start of the experiment and for each of 5 times (t), in seconds.

Which of the following equations represents this data?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

According to the conditions given in the title, it can be seen that the constant is 10 (y is equal to 10 when x is 0). Then, every term that exceeds 10 is 4 times the value of x, so the coefficient of x should be 4. Choose C.