8) Use Descartes's Rule of signs to determine the possible number of positive and negative real roots or real zeros. Upload your answer. Show all work. *
f(x) = x^3 + 3x^2– 4

range is infinite on both x and y axis positive and negative

step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

in 1995, potato plants were taken into space aboard the space shuttle columbia.

step-by-step explanation:

slope =   (y2 -y1) ÷ (x2 -x1)

slope = (0 -0) / (-5, -7)

slope = 0 / -12 = 0

the slope of the line is zero.   it is perfectly horizontal.

step-by-step explanation: