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which equation represents a circle that is concentric with
the circle shown but has a radius that is twice as large?
o (x – 4)2 + (y – 6)2 = 4
o (x – 4)2 + (y – 6)2 = 16
o (x – 6)2 + (y – 4)2 = 16
o (x – 6)2 + (y – 4)2 = 4

X-intercept=-5 y-intercept=2 the equation of the line is

If (-3, y) lies on the graph of y = 3^x, then y =

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?