Write fractions to represent the shaded and unshaded portions of the figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: A
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Make the required change in the given equation.? = 3 cos ? sin ? to Cartesian coordinates
A. x2 + y2 + z2 - 3x = 0
B. 
= 3x
C. x2 + y2 + z2 - 3z = 0
D. 
= 3y
Graph.9x2 - y2 = 81
A. 
B. 
C. 
D. 
Solve the problem.The owner of a shop bought an inventory software program for $200. The value, V, of the software program declines by $20 per year.
A. (i) V = 20t - 200
(ii)
(iii) The V-intercept is the value of the
software program when it was purchased.
The t-intercept is the number of years from
the year of purchase when the value of the
software will be $0.
(iv) $0 is the value after 5 yr.
B. (i) V = 20t + 200
(ii)
(iii) The V-intercept is the value of the
software program when it was purchased.
The t-intercept is the number of years from
the year of purchase when the value of the
software will be $0.
(iv) $90 is the value after 5 yr.
C. (i) V = -20t - 200
(ii)
(iii) The V-intercept is the value of the
software program when it was purchased.
The t-intercept is the number of years from
the year of purchase when the value of the
software will be $0.
(iv) $110 is the value after 5 yr.
D. (i) V = -20t + 200
(ii)
(iii) The V-intercept is the value of the
software program when it was purchased.
The t-intercept is the number of years from
the year of purchase when the value of the
software will be $0.
(iv) $100 is the value after 5 yr.
Graph the function.y = -6 sec 
A. 
B. 
C. 
D. 