Verify that the matrix is invertible and find its inverse.A =
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Answer: A
Mathematics
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Find the product or quotient, as indicated. Leave your answer in trigonometric form.Find the product of z1 and z2.z1 = 2
, z2 = 
A. 8
B. 
C. 
D. 
Mathematics
Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.4x + 6 = 2
A. x ? 2.778 B. x ? -1.079 C. x ? -5.500 D. x ? 8.000
Mathematics
Find the square root.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find 
(-5) when f(x) = 5x - 6 and g(x) = 4x2 + 14x + 3.
A. 0
B. 
C. - 
D. 
Mathematics