Give the maximum number of zeros the polynomial function may have. Use Descarte's Rule of Signs to determine how many positive and how many negative zeros it may have.f(x) = x7 + x6 + x2 + x + 8
A. 7; 0 positive zeros; 1 negative zero
B. 7; 0 positive zeros; 3 or 1 negative zeros
C. 7; 0 positive zeros; 0 negative zeros
D. 7; 0 positive zeros; 2 or 0 negative zeros
Answer: B
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Solve the problem.The region between the curve y = 
and the x-axis from 
to 
is revolved about the y-axis to generate a solid. Find the volume of the solid.
A. 4? ln 5 B. 2? ln 5 - ? C. 2? ln 5 D. ? ln 5 - ?
Find the particular solution to the given differential equation that satisfies the given conditions.D4y + 2 D3y - 15 D2y = 0; y = 0, Dy = 9, D2y = 27, and 
when x = 0
A. y = -3 - 3e3x B. y = c1 + c2x + c3e3x + c4e-5x C. y = -3 + 3e-3x D. y = -3 + 3e3x
Provide an appropriate response.Raise to the indicated power: 
2
A. 
B. 
C. 
D. 
Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation.x2 - 6x + 5 = 0
A. repeated real solution B. two unequal real solutions C. no real solution