Evaluate.If 
and 
, evaluate 
A. 19
B. -78
C. 6
D. 7
Answer: D
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 2 and x = 9 using the "midpoint rule" with two rectangles of equal width.
A. 
B. 
C. 
D. 
Solve the problem.The dimensions of a rectangular yard are 26 feet by 102 feet. What is its perimeter?
A. 154 feet B. 256 feet C. 128 feet D. 2652 feet
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The total tuition paid by all 3 students is $3651.
B.
AB = 
Tuition for Student 1 is $1240, tuition for Student 2 is $1217, and tuition for Student 3 is $875.
C.
AB = 
The total tuition paid by all 3 students is $3802.
D.
AB = 
Tuition for Student 1 is $1247, tuition for Student 2 is $1215, and tuition for Student 3 is $889.
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.V = 
?r3; r = 2, ? = 3.14
A. 33.49 B. 16.75 C. 100.47 D. 10.67