Solve the given differential equation.8x dy + 8y dx + 12x dx = 0
A. 8xy + 12x2 = c
B. 8xy + 6x2 = c
C. 16xy - 6x2 = c
D. 16xy + 6x2 = c
Answer: B
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Find a formula for the inverse of the function described below.A size 44 dress in Country C is size 14 in Country D. A function that converts dress sizes in Country C to those in Country D is
A. f-1(x) = 2x + 8 B. f-1(x) = 2(x - 8) C. f-1(x) = 2(x + 8) D. f-1(x) = x + 8
Determine whether the sequence is geometric.2, -6, 18, -54, 162, . . .
A. Geometric B. Not geometric
Find the integrating factor, the general solution, and the particular solution satisfying the given initial condition.xy' - y = ; y(2) = 2
A. I(x) = ex-1; y = Ce-x-1 + 10; y = 12e - x-1 + 10
B. I(x) = x-1; y = 2x-4 + Cx; y = 2x-4 - x
C. I(x) = ex-1; y = Ce-x-1 - 10; y = 12e - x-1 - 10
D. I(x) = x-1; y = -2x-4 + Cx; y = -2x-4 + x
Multiply and simplify.510 ? 5-3
A. 510 B. 57 C. 54 D. 53