Determine whether the given equation is the general solution or a particular solution of the given differential equation.y" + 3y' - 4y = 3ex, y = cex + 4e-4x + 
xex
A. Particular solution
B. General solution
Answer: A
Mathematics
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Which subtraction model (take-away, missing addend, comparison, or measurement) corresponds best to the problem?Last year the hatch-back model of a new car cost $18,022. This year's model costs $19,256. How much more does this year's model cost?
A. Measurement B. Missing addend C. Take-away D. Comparison
Mathematics
Solve.y = x2 - 6x + 9x + y = 15
A. (6, 21), (-1, 16) B. (3, 12) C. (6, 9), (-1, 16) D. (-6, 21), (1, 14)
Mathematics
Graph the function.f(x) = -2x2(x + 1)(x - 2)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 94?
A. 66.50 hr B. 100.01 hr C. 6.65 hr D. 14.53 hr
Mathematics