Factor.36x2 - 84x + 49
A. (6x + 7)2
B. (6x - 7)2
C. (6x + 7)(6x - 7)
D. Not possible
Answer: B
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Solve the problem.A particle moves along an ellipse in the xy-plane in such a way that its position at time t is 
Find the maximum and minimum values of 
and 
. (Hint: Find the extreme values of 
2 and 
2 first and take
square roots later).
A. 
min = 5; 
max = 8; 
min = 45; 
max = 72
B. 
min = 15; 
max = 24; 
min = 15; 
max = 24
C. 
min = 15; 
max = 24; 
min = 45; 
max = 72
D. 
min = 
max = 24; 
min = 
max = 72
Decide if the given equation is a solution of the given differential equation.y" + 4y = 10ex, y = -7 sin 3x - 8 cos 3x + 2ex
A. Yes B. No
Solve using the substitution method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x + y = -3x + y = -7
A. (0, 0) B. No solution C. (-3, -7) D. (0, -10)
Solve the problem.A box in the shape of a cube has a volume of 27 cubic inches. What is the depth of the box? 
A. 5 in. B. 6 in. C. 3 in. D. 9 in.