Solve the differential equation subject to the initial conditions.(x + 2)
- 2(x2 + 2x)y = 
; x > -2, y = 0 when x = 0
A. y = ex2
, x > -2
B. y = e-x2
, x > -2
C. y = -e-x2
, x > -2
D. y = -ex2
, x > -2
Answer: A
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Solve the problem.Northwest Molded molds plastic handles which cost $0.30 per handle to mold. The fixed cost to run the molding machine is $2227 per week. If the company sells the handles for $1.30 each, how many handles must be molded and sold weekly to break even?
A. 1391 handles B. 7423 handles C. 2227 handles D. 1484 handles
Convert the measure to its alternate U.S. or metric form. Write improper fractions as mixed numbers for U.S. measures and as decimals for metric measures.Convert 19
pounds to kilograms.
A. 8.75 kilograms B. 17.5 kilograms C. 17 kilograms D. 9.25 kilograms
Simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Find the product using the formula for multiplying the sum and difference of two terms. Check the answer using the FOIL method.(11x + 1)(11x - 1)
A. 121x2 - 22x - 1 B. x2 - 1 C. 121x2 - 1 D. 121x2 + 22x - 1