Find the solution set for the inequality.4 + 8x + 5 ? 7x + 13
A. {x|x ? 4 }
B. {x|x ? 4}
C. {x|x > 8 }
D. {x|x < 8 }
Answer: A
Mathematics
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Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = 
on [3,7] divided into 4 subintervals (Round to the nearest hundredth.)
A. 0.22 B. 0.28 C. 8.89 D. 0.89
Mathematics
Identify the figure and name it using the labels shown.
A. point X
B. line X, or 
C. ?X
D. ray X, or 
Mathematics
Write the given linear system of equations as a matrix equation AX = B.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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Multiply or divide as indicated and reduce to lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics