Solve the inequality and give the solution in interval notation.-18 ? -2x - 4 < -12
A. [-7, -4)
B. (4, 7]
C. [4, 7)
D. (-7, -4]
Answer: B
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Find the absolute maximum and minimum values of the function on the given curve.Function: 
curve: 
, 
(Use the parametric equations 
A. Absolute maximum: 6
at 
absolute minimum: -6 at 
B. Absolute maximum: 6 at 
absolute minimum: -6
at 
C. Absolute maximum: 6
at 
absolute minimum: -6
at 
D. Absolute maximum: 6 at 
absolute minimum: -6 at 
Solve for R2.
1 1 1 ÄÄ = ÄÄ + ÄÄ . RT R1 R2
Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x - 1)2 - 1
A. (1, -1), down B. (0, -1), up C. (-1, 0), up D. (1, 1), down
Solve the problem.The cost of a snow removal service for residential driveways is $75 per season plus $35 for each time the snow is removed.a) Write a linear equation that gives the cost, y, in terms of the number of times the snow is removed, x, for one season.b) Using the equation found in part a, find the cost after the snow has been removed 4 times.c) If the cost is $215, then how many times was the snow removed?
A. y = 75 + 30x; $195; 4 B. y = 75 + 35x; $215; 4 C. y = 75 + 40x; $195; 10 D. y = 75 + 35x; $215; 12