Find the exact value of y, or state that y is undefined.y = tan-1 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Rearrange the equation into standard form.4x2 - 4 = 2x - 3
A. 4x2 + 2x + 1 = 0 B. 4x2 - 2x - 4 = -3 C. 4x2 - 2x - 1 = 0 D. 4x2 + 2x + 3 = 0
Mathematics
Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex fraction.
r - 
A. 
r
B. 
r
C. 
r
D. - 
r
Mathematics
Solve the problem.Which of the following vectors is parallel to v = 9i + 5j?
A. w = 45i - 25j
B. w = 
i - 
j
C. w = - 
i + 
j
D. w = 
i + 
j
Mathematics