Which of the following expresses the possible number of positive realsolutions for the polynomial equation shown below?5x3 + x2 + 7x - 28=0O A. OneB. TwoO C. Two or zeroD. Three or one

Which of the following expresses the possible number of positive realsolutions for the polynomial equation shown below5x3 x2 7x 280O A OneB TwoO C Two or zeroD class=