Solve the equation.
= 
A. 
B. {2}
C. {20}
D. 
Answer: B
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Find the maximum and minimum values of the function and the values of x and y for which they occur.G = 6x + 8y, subject to2x + 4y ? 12,2x + y ? 8,0 ? x ? 6,0 ? y ? 4.
A. Maximum: 44 when x = 2 and y = 4; minimum: 30
when x = 3
and y = 1
B. Maximum: 30
when x = 3
and y = 1
; minimum: 0 when x = 0 and y = 0
C. Maximum: 68 when x = 6 and y = 4; minimum: 0 when x = 0 and y = 0
D. Maximum: 68 when x = 6 and y = 4; minimum: 30
when x = 3
and y = 1
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = 5x - 1 from x = 1 to x = 4; n = 2
A. 55.75 B. 35.75 C. 25.75 D. 45.75
Find the slope and the y-intercept of the given line.7x + 9y = 73
A. 
; 
B. - 
; 
C. 
; 
D. - 
; 
Solve the inequality and graph the solution.
(x - 3) > 
(5x + 3)
A. 
B. (-1, ?)
C. 
D. (-?, -1)