Find the least common denominator (LCD).
, 
A. -2(x - 1)(x + 4)
B. -2(x - 1)(x - 4)
C. -2(x + 1)(x - 4)
D. -2(x + 1)(x + 4)
Answer: A
You might also like to view...
Plot the parametric surface over the indicated domain.r(u, v) = cos u sin vi + cos v sin uj + sin vk; 0 ? u ? 2?, 0 ? v ? 2?
A. 
B. 
C. 
D. 
Solve the problem.A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 2 feet longer than the length of a shelf. If 22 feet of lumber is available for the entire unit (including the shelves, but NOT the back of the bookcase), find the length and height of the unit.
A. length = 4.5 ft; height = 6.5 ft B. length = 3 ft; height = 5 ft C. length = 3 ft; height = 6 ft D. length = 10.0 ft; height = 13.5 ft
From a point on the floor the angle of elevation to the top of a door is 48º, while the angle of elevation to the ceiling above the door is 62º. If the ceiling is 12 feet above the floor, what is the vertical dimension of the door (see the figure)? Apply the rules regarding the use of significant digits when determining your answer.
?
?
Vertical dimension of door = __________ ft
Fill in the blank(s) with the appropriate word(s).
Use the recursive definition of summation together with mathematical induction to prove that for all positive integers n, if a1, a2, . . . , an and b1, b2, . . . , bn are real numbers, then
