1-57. Which of the following equations are polynomial functions? For each one that is not, justify why not. Homework Help
a. y = 3x2 + 2x2 + x
b. y = (x - 1)?(x - 2)
C. y = x2 + 2x
d. y = 3x - 1
e. y = (x - 2)2 - 1
f. y2 = (x - 2)2 - 1
g. y=+*+
h. y = {x+ }
i.
y = x
j. y =-7

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

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Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?