Find the domain and range.{(-1,4), (-1,-9), (-11,2), (-7,3), (-5,9)}
A. domain = {-1, 12, -11, -5, -7}; range = {-9, 2, 9, 3, 4}
B. domain = {-1, -2, -11, -5, -7}; range = {-9, 2, 9, 3, 4}
C. domain = {-9, 2, 9, 3, 4}; range = {-1, -1, -11, -5, -7}
D. domain = {-1, -11, -5, -7}; range = {-9, 2, 9, 3, 4}
Answer: D
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Solve the initial value problem.Differential Equation: 
= -3ti + 7tj + 9tkInitial Condition: r(0) = -3i + 3k
A. r(t) = 
i + 
t2j - 
k
B. r(t) = 
i + 
t2j + 
k
C. r(t) = (-3t2 - 6)i + 7t2j + (9t2 + 6)k
D. r(t) = 
i + 
t2j + 
k
Find the indicated root or state that the expression is not a real number.-
A. 4
B. - 
C. -4
D. not a real number
Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers. 
A. (-4, 3); quadrant I B. (-4, 3); quadrant II C. (-4, 6); quadrant II D. (-4, 6); quadrant I
Solve the problem.How many different 4-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
A. 4 B. 6561 C. 3024 D. 126