Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Answer: D
Mathematics
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Find an approximate equation y = abx of the exponential curve that contains the given pair of points. Round the values of a and/or b to two decimal places, if necessary.(0, 5.2) and (3, 87.2)
A. y = 5.2(3.07)x B. y = 5.2(50.31)x C. y = 5.2(2.56)x D. y = 5.2(5.59)x
Mathematics
Find the specified vector or scalar.u = -11i - 2j, v = 4i + 7j; Find u - v.
A. -16i + 5j B. -15i - 9j C. -7i + 5j D. -17i + 5j
Mathematics
Using either the Law of Sines or Cosines, find side a if b = 17, c = 22, and C = 75ø.
a. 11.96 b. 14.30 c. 16.29 d. 19.04 e. 23.62
Mathematics
Use long division to divide the polynomials.
A. x - 2 + 
B. 2x - 3
C. 2x + 2
D. 2x + 2 + 
Mathematics