#p is defined as 2p+20 for any number p. What is p, if #(#(#p))=-4? Answers.
A) –108	B) –44	C) 10	D) -18	E) 18
#p = 2p+20 ---&gt;#(#p) = 2(2p+20)+20 = 4p+60 and thus #(4p+60) = 2(4p+60)+20 = 8p+140 = -4 ---&gt; 8p= -144 ---&gt; p = -18, -18 is the correct answer.
<result>D</result>
#p is defined as 2p+20 for any number p. What is p, if #(#(#p))=-4?