PLS HELP WILL GIVE BRAINLIEST! if the diameter of a circle changes from 8 cm to 4 cm, how will the circumfrence change?
A.) multiplies by 1/2
B.) multiplies by 2
C.) increases by 6
D.) decreases by 6

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

What is the inverse of the function f(x)=4x+8

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