Write a linear factorization of the function.f(x) = x4 + 81x2
A. f(x) = x2(9x + i)(9x - i)
B. f(x) = x2(9x + i)2
C. f(x) = x2(x + 9i)2
D. f(x) = x2(x + 9i)(x - 9i)
Answer: D
You might also like to view...
Answer the question.What is the fourth term of the expression 7x3 + 5x2 + 2x + 2x4 - 4?
A. 2 B. x4 C. 2x4 D. 2x
Solve the problem.The formula P = 0.68x2 - 0.047x + 3 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 27,198 fish?
A. 2002 B. 2004 C. 2005 D. 2003
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 3.98 × 10-10 B. 2.51 × 10-10 C. 3.98 × 10-9 D. 2.51 × 10-9
Solve the pair of linear equations by addition.
If there is one common solution, select the correct ordered pair of the point of intersection. If there is no one common solution, select either parallel or coincide for the correct answer.
A. 
B. 
C. 
D. The lines are parallel.
E. The lines coincide.