Solve the problem.A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of servings that can be prepared in one hour.Lasagne: 8 servings per panNumber of pans per oven: 6Pan changes per hour: 2Number of ovens: 3
A. 96 servings
B. 144 servings
C. 238 servings
D. 288 servings
Answer: D
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Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: all real numbers intercept: (0, 9) symmetry: none B. function domain: all real numbers range: {y|y = 8 or y = 9} intercept: (0, 9) symmetry: none C. function domain: {x|x = 8 or x = 9} range: all real numbers intercept: (9, 0) symmetry: x-axis D. not a function
Convert the point from polar coordinates to rectangular coordinates. Round answer to three decimal places, if necessary.
a. ( 1, -1,732 )
b. ( -1, 1,732, 1 )
c. ( 1, 1,732,-1 )
d. ( -1, -1,732 )
e. ( 2, -2,618 )
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x - 10)2
A. x2 + 100 B. 100x2 - 20x + 100 C. x + 100 D. x2 - 20x + 100
Solve the system by either elimination or substitution. Verify your work by using "intersect" on your graphing calculator of by checking that your result satisfies both equations of the system.
- 
= 0
- 
= 0
A. all points on the line 
= 
; dependent system
B. (10, 8)
C. empty set solution; inconsistent system
D. (8, 10)