Point b(-8, 5) is dilated from the origin by scale factor r = 1/2. what are the coordinates of point b’?

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In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)