Solve the linear system using an inverse matrix.
A. (6, 2)
B. (2, 6)
C. (-6, -2)
D. (-2, -6)
Answer: B
Mathematics
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Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.tan 41°
A. tan 131° B. cot 41° C. cot 49° D. cot 139°
Mathematics
Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the following rule defines y as a function of x.The x, y pairs: {(2, -9), (2, 5), (5, -8), (7, -3), (11, 9)}
A. Function B. Not a function
Mathematics
Decide whether or not the equation defines y as a function of x.y2 = (x - 2)(x + 3)
A. No B. Yes
Mathematics