Solve the differential equation.x
= y + (x2 - 4)2
A. y = x4 - 32x ln x+ cx
B. y = x3 - 8x -
+ c
C. y = x4 - 8x2 - 16 + cx
D. y = x4 - x2 - 16 + cx
Answer: C
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Provide an appropriate response.A markdown is:
A. always based on selling price B. only based on selling price after a markup based on cost C. based on either cost or selling price D. never based on selling price
Find the center and the radius of the circle.(x + 1)2 + (y + 6)2 = 6
A. center (-1, -6); radius = 6
B. center (-1, -6); radius = 36
C. center (1, 6); radius =
D. center (-1, -6); radius =
Use the given encoding matrix A to solve the problem.Use the given message to construct the code matrix by assigning numbers to the letters and symbols. Use the numerical assignment a = 1, b = 2, . . . , z = 26, space = 30, period = 40, and apostrophe = 60.Message: CALL ME TOMORROW.Encoding matrix A =
A.
B.
C.
D.
Identify the following as an experiment or an observational study.A researcher obtained a random sample of women with children and a random sample of women without children and compared the rates of clinical depression in the two groups.
A. Observational study B. Experiment