Use the discriminant to determine the number of solutions of the quadratic equation.4 + 4z2 = 5z
A. 1 real solution
B. no real solution
C. 2 real solutions
Answer: B
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Solve the problem.Let D be the region that is bounded below by the cone 
and above by the sphere 
Set up the triple integral for the volume of D in cylindrical coordinates.
A. 
B. 
C. 
D. 
Provide an appropriate response.What is wrong with the following problem? Explain and correct the error. 
What will be an ideal response?
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators. B. Use the reciprocal of the second fraction (divisor) and multiply. C. Add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.
Solve the problem.Don James wants to invest $61,000 to earn $5580 per year. He can invest in 
bonds paying 
per year or in a Certificate of Deposit (CD) paying 
per year. How much money should be invested in each to realize exactly $5580 in interest per year?
A. $33,000 in B-rated bonds and $28,000 in a CD B. $28,000 in B-rated bonds and $33,000 in a CD C. $29,000 in B-rated bonds and $32,000 in a CD D. $32,000 in B-rated bonds and $29,000 in a CD