The graph of f(x) = 2x3 – 19x2 + 57x – 54 is shown below.

On a coordinate plane, a graph of a function is in quadrants 1 and 4. The function goes through the x-axis at (2, 0), (3, ), and (4.5, 0).

How many roots of f(x) are rational numbers?

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Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z