Express the statement as an equation involving the indicated variables.The perimeter P of a rectangle is twice the sum of its length l and its width w.
A. P = 2lw
B. P = l + w
C. P = 2(l + w)
D. P = lw
Answer: C
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For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 
A. removable discontinuity at (-2, 0);
x-intercept: (-2, 0), y-intercept: 
;
asymptotes: x = -5, y = 1
B. removable discontinuities: 
, 
;
x-intercept: (2, 0), y-intercept: 
;
asymptotes: x = 5, y = 1
C. removable discontinuities: 
, (-2, 0);
x-intercept: (-2, 0), y-intercept: 
;
asymptotes: x = 5, y = 1
D. removable discontinuity at 
;
x-intercept: (2, 0), y-intercept: 
;
asymptotes: x = -5, y = 1
Find the absolute value of the quantity.9 - 20
A. 11 B. -29 C. 29 D. -11
Write the word phrase as an algebraic expression. Use x to represent the unknown number.9 times a number, increased by 3
A. 3 + 9x B. 9 + 3x C. 3x + 9 D. 9x + 3
Solve the problem.Tech Support Associates purchased a new computer network server and replaced all its terminals for $26,100. Its estimated life is 3 years, at which time it will have a scrap value of $2500. Use the straight-line method of depreciation to find the annual amount of depreciation. Find the book value at the end of 2 years.
A. $7867, $15,734 B. $7867, $10,366 C. $8700, $17,400 D. $8700, $8700