Question 735278
(7)domain=all real numbers
range=y>86,[86,∞)
(8)domain=all real numbers
range=all real numbers
(9)domain=all real numbers
range=all real numbers
(10)domain=all real numbers
range=y≤40,(-∞,40]
(11)f(x)=11x-5x2+4 find (-4)
f(-4)=11*(-4)-5(-4)(-4)(-4)+4
-44-80+4
=120
OK,YOU HAVE===========19===PROBLEMS AND I HAVE DONE 11 FOR YOU
NUMBER 11======I DID THIS ONE FOR YOU ,SO YOU SHOULD BE ABLE TO COMPLETE
THE REMAINING PROBLEMS,