Solve the problem.An architectural drawing lists the scale as 
" = 1'. If a bedroom measures 
on the drawing, how large is the bedroom?
A. 9 ft by 13
ft
B. 72 in. by 108 in.
C. 18 ft by 27 ft
D. 36 ft by 54 ft
Answer: C
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Find all solutions of the equation in the interval [0, 2?).(2 cot x + 2
)(8 cot x - 8) = 0
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Find the x- and y-intercepts of f.f(x) = (x + 2)(x - 5)(x + 5)
A. x-intercepts: -5, 5, 2; y-intercept: 50 B. x-intercepts: -5, 5, 2; y-intercept: -50 C. x-intercepts: -2, -5, 5; y-intercept: -50 D. x-intercepts: -2, -5, 5; y-intercept: 50
Determine the continuity of the function at the given points.f(x) = 
at 
x = -2 and x = 1
A. The function f is continuous at 
but not at 
B. The function f is continuous at 
but not at 
C. The function f is continuous at neither 
nor 
D. The function f is continuous at both 
and 
A certain firm's marginal cost for a product is 
, its marginal revenue is 
, and its total cost of production of 10 units is $530. Find the optimal level of production.
?
A. 17 units B. 13 units C. 14 units D. 16 units E. 15 units