Graph the linear function by plotting the x- and y-intercepts.-
x + y - 3 = 0
A. intercepts: (0, -6), (6, 0)
B. intercepts: (0, 3), (-6, 0)
C. intercepts: (0, 3), (6, 0)
D. intercepts: (0, 3), (-3, 0)
Answer: B
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Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x - 8y + z = 23x - y + 2z = 6
A.
B.
C. ?
D.
Provide an appropriate response.Describe in your own words the conditions under which the units-of-production method of depreciation is most applicable.
What will be an ideal response?
Solve the problem.For what numbers ? is f(?) = tan ? not defined?
A. odd multiples of (90°)
B. odd multiples of ? (180°)
C. integral multiples of ? (180°)
D. all real numbers
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 638 with r = 1.7. Write a recursive sequence that describes this data, where an denotes the insect density during year n.Find the terms a1 , a2 , a3 , ...., a5 . Round to two decimal places, if necessary.
A. a1 = 1084.60, a2 = 1843.82, a3 = 3134.49, a4 = 5328.64, a5 = 9058.69 B. a1 = 638, a2 = 638, a3 = 638, a4 = 638, a5 = 638 C. a1 = 638, a2 = 191.40, a3 = 57.42, a4 = 17.23, a5 = 5.17 D. a1 = 638, a2 = 1084.60, a3 = 1843.82, a4 = 3134.49, a5 = 5328.64