1.) Solve the equation12x^3+x^2-9/2 x-1=)given that -1/2 is a root

2.) Use decartes Rule of signs to determine the possible number of positive and negative real zero's for, f(x)=-3x^4+2x^3-6x^2+x+4

3.) The equation for f is given by the simplified expression that results after performing he indicated operation. Write the equation for f and then graph the function
1-2/x+1
__________
1+1/x-1

4.) The force that it requires to strech a spring varies directly with the distance that is is streched. If a pound force can stretch a spring 8 inches, how much force would it take to stret

Question

1.)  Solve the equation12x^3+x^2-9/2 x-1=)given that -1/2 is a root

2.)  Use decartes Rule of signs to determine the possible number of positive and negative real zero's for, f(x)=-3x^4+2x^3-6x^2+x+4

3.)  The equation for f is given by the simplified expression that results after performing he indicated operation. Write the equation for f and then graph the function
1-2/x+1
__________
1+1/x-1

4.)  The force that it requires to strech a spring varies directly with the distance that is is streched.  If a pound force can stretch a spring 8 inches, how much force would it take to stret