Multiply and simplify.
? 
A. 
B. v2
C. - 
D. - 
Answer: C
Mathematics
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Given matrix A, find the indicated cofactor.Find A21.A = 
A. -11 B. -14 C. 11 D. 14
Mathematics
Determine whether the function f(x) = (x + 4) 2 , x ? –4 has an inverse function. If it does, find the inverse function.
a. 
b. f –1 (x) = –(x + 4) 2
c. f –1 (x) = (x + 4) –2
d. 
Mathematics
Determine whether the three points are collinear.(13, -10), (5, -4), (7, -2)
A. Yes B. No
Mathematics
Given the area of a square, find the length of one side.The area of a square piece of plywood is 121 in.2.
A. 44 in. B. 11 in. C. 12 in. D. 121 in.
Mathematics