Solve the problem.All items in an ice cream truck cost $0.75 per item. (a) Fill in the chart with the correct response for the total cost C(x) if x items are purchased. (b) Write the linear function which gives C(x).
A. (a) 
; (b) C(x) = 0.75x + 0.75
B. (a) 
; (b) C(x) = 0.75x + 0.75
C. (a) 
; (b) C(x) = 0.75x
D. (a) 
; (b) C(x) = 0.75
Answer: C
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A. 
B. 
C. 48y(y + 9)
D. 
Use the two-stage method to solve.Find x1 ? 0 and x2 ? 0 such that x1 + x2 ? 50 x1 + x2 ? 25 2x1 + x2 ? 60and z = 3x1 + 4x2 is maximized.
A. x1 = 10, x2 = 40, z = 190 B. x1 = 25, x2 = 25, z = 175 C. x2 = 50, x1 = 0, z = 200 D. x1 = 50, x2 = 0, z = 150
Find the limit (if it exists). Use a graphing utility to verify your result graphically.
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Multiply by 1, 2, 3, and so on, to find ten multiples of the number.16
A. 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 B. 16, 32, 48, 64, 80, 96, 112, 128, 144, 160 C. 16, 18, 21, 25, 30, 36, 43, 51, 60, 70 D. 0, 16, 32, 48, 64, 80, 96, 112, 128, 144