Find the requested polynomial. Find a polynomial function of degree 3 with 1 + 3i, 1 - 3i, -1 as zeros.
A. f(x) = x3 - x2 + 10x + 10
B. f(x) = x3 - x2 - 8x + 8
C. f(x) = x3 - x2 + 8x + 10
D. f(x) = x3 - x2 + 10ix + 10i
Answer: C
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Decide whether the statement is true or false.If a spherical tank 3 m in diameter can be painted for $60, the cost to paint a tank of diameter 6m would be $120.
A. True B. False
Use the figure to find the specified vector.Find -a.
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.
Find an equation in slope-intercept form (where possible) for the line.Through (-1, -5), m = -4
A. y = 4x - 1 B. y = -4x - 1 C. y = -4x - 9 D. y = 4x - 9