Solve the equation.x(x2 + 2) = 9 + x3
A. 
B. 
C. 
D. 
Answer: C
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Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.cot ? = 
Find sin ?.
A. 
B. 
C. 
D. 3
Find the domain of the function. Express the answer in interval notation.f(x) = 5 + 2
A. (-?, 16) B. (-?, ?) C. [16, ?) D. [-16, ?)
Solve the system by substitution. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x. x + 7y = -23x + y = 34
A. (3, 7) B. (12, -2) C. (7, 12) D. (-2, 3)
You can sell 60 pet chias per week if they are marked as $1 each,but only 50 per week if they are marked $2 per chia. Your chia supplier is prepared to sell you 10 chias per week if they are marked $1 per chia, and 20 per week if they are marked $2 per chia. At what price should the chias be marked so that there is neither surplus nor a shortage of chias? ?
A. $3.50 B. $3.64 C. $2.25 D. $3.55 E. $4.50