Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes
B. Yes; no
C. No
Answer: C
Mathematics
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If 
and g(x) = x 2 - 6, x ? 0, determine algebraically whether f and g are inverse functions.
a. Yes, f and g are inverse functions.
b. No, f and g are not inverse functions.
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x2 - 16x + 256
A. Prime B. (x + 16)(x - 16) C. (x - 16)2 D. (x + 16)2
Mathematics
Graph the linear inequality.x - 2y < 0 
A. 
B. 
C. 
D. 
Mathematics
Identify the base and the exponent for the exponential expression.(-3)12
A. Base is 12; exponent is -3. B. Base is -3,; exponent is 12. C. Base is 3; exponent is 12. D. Base is 12; exponent is 3.
Mathematics