Solve the problem.If w = 4i - 4j - k, find a vector perpendicular to both w and j + k.
A. -4i + 8j + 4k
B. -2i + 4j - 4k
C. 4i - 4j - 3k
D. -3i - 4j + 4k
Answer: D
Mathematics
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Find three solutions to the given equation using the table of values. Then use the three solutions in the table to graph the equation.y = 3x + 4 
A. (-1, -4), (0, 0), (1, 4)
B. (-1, -7), (0, -4), (1, -1)
C. (-1, 1), (0, 4), (1, 7)
D. (-1, 7), (0, 4), (1, 1)
Mathematics
Find the missing values.
A. $107; $88.81 B. $3.09; $15.10 C. $309.23; $291.04 D. $88.81; $36.38
Mathematics
Solve the equation.x2 + 5x =50
A. -10, 5 B. 10, -5 C. -10, 1 D. 10, 5
Mathematics
Select the graph of the function 
. Compare the graph of this function with the graph of 
.
?
A. ?
Vertical shrink.
B.
?Vertical stretch.
C.
?
?
Vertical stretch and reflection in the x-axis.
D.
?
?
Vertical shrink.
E. ?
?
?
Vertical stretch and reflection in the x-axis.
Mathematics