Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
+ 
A. A = -7, B = 
, C = 
B. A = 7, B = 
, C = 
C. A = -7, B = - 
, C = - 
D. A = 7, B = - 
, C = - 
Answer: D
Mathematics
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Expand the quotient by partial fractions.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Solve the problem.Suppose that P(x) represents the percentage of income spent on automobile insurance in year x and I(x) represents income in year x. Determine a function A that represents total automobile insurance expenditures in year x.
A. A(x) = (P ? I)(x)
B. A(x) = (I - P)(x)
C. A(x) = (P + I)(x)
D. A(x) = 
(x)
Mathematics
Name a, b, and c.
Mathematics
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.A is 4 × 1, and B is 1 × 4.
A. 1 × 1; 4 × 4 B. AB does not exist; 1 × 1 C. 4 × 4; BA does not exist. D. 4 × 4; 1 × 1
Mathematics