Solve the rational equation.
+ x = 
A. {-9, 9}
B. ?
C. {-9}
D. {9}
Answer: A
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -9x4 + 7x3 - 6x2 + 2x - 5
A. 0, 2, or 4 positive; 0, 2, or 4 negative B. 0 or 2 positive; 0, 2, or 4 negative C. 0, 2, or 4 positive; 0 negative D. 0 or 2 positive; 0 negative
Solve.A projectile is thrown upward so that its distance, in feet, above the ground after t seconds is 
(i) Graph this equation.(ii) What is the maximum height that the projectile reaches?
What will be an ideal response?
Provide an appropriate response.Perform the indicated operation. 4m2n + 7mn2 - (7m2n - 2mn2)
What will be an ideal response?
Perform the indicated operation or operations.
+ 
A. 
B. 
C. 
D. 