Solve the differential equation using the method of variation of parameters. 
What will be an ideal response?
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Find the domain and range of the inverse of the given function.f(x) = x3 - 3
A. Domain: all real numbers; range: [-3, ?) B. Domain: [-3, ?); range: all real numbers C. Domain and range: all real numbers D. Domain: [0, ?); range: [0, ?)
Solve the problem.Find the range and the standard deviation of the following golf scores: 74, 70, 70, 66, 68, 69, 69.
A. Range = 6; standard deviation = 2.3 B. Range = 8; standard deviation = 1.9 C. Range = 8; standard deviation = 8 D. Range = 8; standard deviation = 2.4
Solve the problem. Write all linear equations in slope-intercept form.Suppose that a sales person observes that if an item is priced at $10 per item then 4 items are sold. If 2 items are sold for $12 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line.
A. y = -x + 14 B. y = -x - 6 C. y = x - 6 D. y = x + 14
Identify the axis of symmetry of the parabola.y = x2 - 6x + 11
A. x = 0 B. x = 3 C. x = 2 D. x = -3