Given 
, find 
.
?
A. 4
B. 22
C. 16
D. 19
E. -4
Answer: B
Mathematics
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Find the product.[(5x - y) + 3z][(5x - y) - 3z]
A. 25x2 + y2 - 9z2 B. 25x2 + y2 + 30xz + 6yz - 9z2 C. 25x2 - 10xy + y2 + 30xz + 6yz - 9z2 D. 25x2 - 10xy + y2 - 9z2
Mathematics
Graph the function.y = -3 sin 
x
A. 
B. 
C. 
D. 
Mathematics
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.2 + 8 + 18 + . . . + 72
A. 
B. 
C. 
D. 
Mathematics
Find the area of the shaded region.
A. 108 m2 B. not enough information given C. 27 m2 D. 54 m2
Mathematics