For the function, find the average rate of change of f from 1 to x: 
f(x) = 3x
A. 
B. 0
C. 2
D. 3
Answer: D
Mathematics
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Solve using matrices.-5x + 3y - z = -29 x + 3y - 8z = -10-3x + y + z = -15
A. (9, 5, 7) B. No solution C. (-9, 7, 18) D. (9, 7, 5)
Mathematics
Construct a stem and leaf display for given data.The instructor of an introductory mathematics class has recorded the number of students attending his class in the last 4 weeks. Below are his recordings.
A. 
B. 
C. 
D. 
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Indicate whether the equation is conditional, an identity, or a contradiction.8x + 56 = 8(x + 7) + 6
A. contradiction B. conditional C. identity
Mathematics