What is the volume of a cone with a diameter of 8 in and a height of 5 in? 111.6 cubic in
251.2 cubic in
83.7 cubic in
167.5 cubic in
note: it is NOT 83.7 i tried and it was wrong

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1