Find the least common denominator (LCD).
, 
A. (r + 4)2
B. r(r + 1)(r + 4)
C. r(r + 4)
D. r(r + 4)2
Answer: D
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Give the ordered pairs that correspond to the points labeled in the figure.
A. G = (7, 2), H = (-4, -7) B. G = (7, -4), H = (2, -4) C. G = (7, 2), H = (-7, -4) D. G = (2, 30), H = (-4, -7)
Fill in each blank with the appropriate response.The graph of y = - 
(x + 3)2 - 8 can be obtained from the graph of y = x2 by shifting horizontally 
units to the 
, vertically compressing by a factor of 
, reflecting across the 
-axis, and shifting
vertically 
units in the 
direction.
A. 3; right; 
; x; 8; upward
B. 3; left; 8; x; 
; downward
C. 3; left; 
; x; 8; downward
D. 3; right; 
; x; 8; downward
Solve the problem.A firm making toaster ovens finds that the total cost, C(x), of producing x units is given by C(x) = 25x + 640.The revenue, R(x), from selling x units is determined by the price per unit times the number of units sold, thus R(x) = 35x.Find and interpret (R - C)(77).
A. $5260 profit, income exceeds cost B. -$130 loss, cost exceeds income C. $130 profit, income exceeds cost D. $141 profit, income exceeds cost
Write a formula for the function described.Function Y computes the number of square yards in x square feet.
A. Y(x) = 9x
B. Y(x) = 
C. Y(x) = x - 9
D. fY(x) = 