?Write the system of linear equations represented by the augmented matrix. Then use back-substitution to solve. (Use variables x, y, and z.)
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Find the limit, if it exists.
A. Does not exist B. 1 C. 2 D. - 2
Mathematics
Evaluate the integral.
A. - 
+ 
tan-1 
+ C
B. 
+ 4tan-1
+ C
C. - 
+ 
ln
+ C
D. - 
+ 
tan-1
+ C
Mathematics
Find the limit.Let
f(x) = 225. Find
.
A. -2 B. 225 C. 3.8730 D. 15
Mathematics
Indicate whether the ordered pair is or is not a solution to the given system.
(1, 3)
A. Yes B. No
Mathematics