Solve the system of equations by graphing.
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."f(x) = x3 - 9
A. Not one-to-one
B. f -1(x) = 
C. f -1(x) = x + 9
D. f -1(x) = ±
Mathematics
Factor the square of the binomial.z2+ 14z + 49
A. (z + 14)(z - 14) B. (z + 7)(z - 7) C. (z - 7)2 D. (z + 7)2
Mathematics
Evaluate the sum. Round to the nearest hundredth if necessary.
A. 16,384 B. 1024 C. 80 D. 1360
Mathematics
Find a basis for the column space of the matrix 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics