A cell tower is capable of providing a signal to cell phone users within a 30 mile radius. 1/4 of this area has devices to block the signal. within what area can cell users obtain a cell signal? use 3.14 for pi.

hi,

i'm 75% sure the answer is 1,1 to both lines.

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f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

hope this !

explanation:

step-by-step explanation:

sorry not knowing about that