Express the vector as a product of its magnitude and direction.-3i - 11j
A. 
B. 130
C. 130
D. 
Answer: A
Mathematics
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Solve the given differential equation.y''' + 3y'' + 25y' + 75y = 0
A. y = C1e-4x + (C2 + C3x)e-7x B. y = C1e-4x + C2e7x + C3e-7x C. y = C1e-4x + (C2 cos 7x + C3 sin 7x) D. y =(C1 + C2x)e-4x + C3e7x
Mathematics
Find the equation of the given function with the given amplitude, period, and displacement, respectively.cosine, 4, 5, -8
A. y = 8 cos 
B. y = 4 cos 
C. y = 2 cos 
D. y = 4 cos 
Mathematics
+ 1 = 8
A. ? B. {10, -4} C. {-10, 4} D. {10}
Mathematics
Solve the problem.If f(x) gives the cost of a rental car after x days of use 
per day, then what does 
give?
A. The number of days rented for 37 dollars B. The cost of rental for 37 days C. The number of days rented for x dollars D. The cost of rental for x days
Mathematics