State the solution set of the inequality in interval notation and sketch its graph.2x2 + 5x - 25 ? 0

A.

B. (-?, -5] ? 

C.

D. [-5, ?)

Answer: C

Mathematics

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Solve the initial value problem.Differential Equation:   = (-cos t)i + (4t3- 2)jInitial Condition:  r(0) = 9j

A. r(t) = (sin t)i + (12t2 + 9)j B. r(t) = (-sin t)i + (t4)j C. r(t) = (-sin t)i + (t4 + 9)j D. r(t) = (-sin t)i + (t4- 2t + 9)j

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Mathematics

Write a formula for the nth term of the given geometric sequence. Do not use a recursion formula.- , - , - , - , ...

A. an = n - 1 + 
B. an = - n - 1
C. an = -  + (n - 1)
D. an = -  + (n - 1)

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Mathematics

Solve the problem.Calculate the number of shares purchased with a $8000 investment in a no load mutual fund with a net asset value of $8.12. Round to three decimal places.

A. 98.522 shares B. 985.222 shares C. 1015.000 shares D. 6496.000 shares

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Mathematics

Divide.1 ÷ 1

A. 1
B. 1 
C. 2 
D. 1 

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Mathematics