Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.
- 
= 
A. Identity
B. Conditional equation
C. Inconsistent equation
Answer: B
Mathematics
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Evaluate the indicated function with the given information.Find sin 2x if cos x = 
(in fourth quadrant).
A. - 
B. 
C. - 
D. 
Mathematics
Solve the inequality. Write the solution set in interval notation.(x + 6)(x + 1)(x - 9) < 0
A. (9, ?) B. (-6, -1) ? (9, ?) C. (-?, -6) ? (-1, 9) D. (-?, -1)
Mathematics
Solve the problem.Insert parentheses, if needed, so that the expression on the left is equal to the number on the right.5 + 2 ? 32 = 63
A. 5 + (2 ? 32) B. (5 + 2) ? 32 C. 5 + (2 ? 3)2 D. No parentheses needed
Mathematics
Solve the problem.Given the technology matrix M and the final demand matrix D stated below, find (I - M)-1 and find the output matrix X.M = 
D = 
What will be an ideal response?
Mathematics