Evaluate the expression for x = -2, y = 3, z = -4.-4x - 8y + 7z
A. -22
B. -24
C. 61
D. -44
Answer: D
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Solve.A window is in the shape of a square topped by a semicircle. The side of the square is x cm and the window cannot be wider than 140 cm. Find the function for the perimeter of the window and the domain of the function.
A. P = 3x + 
?x : 0 < x ? 140
B. P = 4x + ?x : 0 < x ? 140
C. P = 4x + 
?x2 : 0 < x ? 140
D. P = 3x + 
?x2 : 0 < 140 ? x
Find the inverse of f. Then sketch the graphs of f and  FIGURE 1.png)
on the same set of axes.
 Figure 2.png)
The figure is the vertical side of a form for poured concrete that weighs 140.7 pounds per cubic foot. Dimensions in the figure are in feet. Determine force on this part of the concrete form.
?
?
A. 1,876.00 lb B. 23.45 lb C. 211.05 lb D. 469.00 lb E. 2,345.00 lb
Find an equation of a hyperbola satisfying the given conditions.Having intercepts (0, -8) and (0, 8) and asymptotes y = -8x and y = 8x
A. 
- y2 = 1
B. y2 - 
= 1
C. 
- x2 = 1
D. 
- x2 = 1