Solve by graphing. Label the axes and show where the solution is located on the graph.Suppose the sales of a particular brand of appliance satisfy the relationship 
where y represents the number of sales in year x, with 
corresponding to 1982. Find the number of sales 
.
A. 7380
B. 3720
C. 7440
D. 3660
Answer: B
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Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x4 - 10x3 + 35x2 - 50x + 24
A. (x - 1)(x - 2)(x - 3)(x - 4); 1, 2, 3, 4 B. (x + 1)(x - 2)(x + 3)(x - 4); -1, 2, -3, 4 C. (x + 1)(x - 2)(x - 3)(x - 4); -1, 2, 3, 4 D. (x + 1)(x + 2)(x - 3)(x - 4); -1, -2, 3, 4
Solve the special system by elimination. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.
A. 
B. 
C. 
D. ?
Write one or more inequalities that describe the set of points.The interior of the sphere of radius 3 centered at the point (-5, -2, 5)
A. (x + 5)2 + (x + 2)2 + (x - 5)2 < 9 B. (x - 5)2 + (x - 2)2 + (x + 5)2 ? 9 C. (x - 5)2 + (x - 2)2 + (x + 5)2 > 9 D. (x + 5)2 + (x + 2)2 + (x - 5)2 > 9
Evaluate the expression.
A. 7
B. 
C. 42
D. 2!