Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation.
?
?
A. 1 positive; 1 negative; 7 nonreal
B. 1 positive; 0 negative; 8 nonreal
C. 0 positive; 1 negative; 8 nonreal
D. 0 positive; 0 negative; 9 nonreal
E. none of these
Answer: B
You might also like to view...
Evaluate the integral.
A. 
ln
- 
ln
+ C
B. 
ln
- 
ln
+ 
tan-1(et) + C
C. 
ln
- 
ln
+ 
tan-1 t + C
D. 
ln
+ 
ln
+ 
tan-1(et) + C
Solve the problem.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since records began to be kept at the school. What is the record for the long jump 
after record started being kept? Round your answer to the nearest tenth.
A. 23.3 feet B. 28.5 feet C. 28.7 feet D. 28.6 feet
Perform the addition or subtraction and write the result in standard form.
?
?
A. ?
B. ?
?
C. ?
D. ?
E. ?
M is the midpoint of A and B. Find the indicated point. Verify that  figure 1.png)
 figure 2.png)