What are the roots of the polynomial equation x Superscript 4 Baseline + x squared = 4 x cubed minus 12 x + 12? Use a graphing calculator and a system of equations. Round noninteger roots to the nearest hundredth. –12, 20 –2.73, 2, 2.73 –1.73, 1.73, 2 –20, 12

answer: $53750

steps:

list the principal and interest after the n-th year:

n       principal   simple interest

1     12500     375

2     25000     750

3     37500     1125

4     50000     1500

sum: $50000     $3750

total at end of year 4: $53750

answer: not good

step-by-step explanation:

is the answer 0.2

is that one of the options