Find the variation equation for the variation statement.c varies directly as a and inversely as b; c = 5 when a = 40 and b = 48
A. c = 
B. c = 
C. c = 
D. c = 6ab
Answer: C
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Find the value of (f ? g)' at the given value of x.f(u) = 
, u = g(x) = 3x - x2, x = 1
A. 1
B. - 1
C. - 
D. 
Express the result of the addition as a Hindu-Arabic numeral in expanded form.
A. (4 × 103) + (4 × 102) + (9 × 101) + (7 × 1) B. (4 × 103) + (5 × 102) + (0 × 101) + (7 × 1) C. (4 × 104) + (5 × 103) + (0 × 102) + (7 × 101) D. (4 × 104) + (4 × 103) + (9 × 102) + (7 × 101)
The numbers of hours required to manufacture and test each of two models of heart monitor are given in Table 1, and the number of hours available each week for manufacturing and testing is given in Table 2. Table 1 Hours Required per Unit Model AModel BManufacturing2420Testing2038 Table 2 Hours Available Manufacturing112Testing136 How many of each model can be manufactured each week? Please write the answer in form: a = , b = , where a and b are the numbers of the model A and B.
What will be an ideal response?
Add or subtract horizontally.(5x5 - 5x4 + 8x2 - 9x + 10) - (15x5 + x3 - 4x2 - 3x + 1)
A. 10x5 - 5x4 - x3 - 5x + 10 B. -10x5 - 5x4 - x3 + 12x2 - 6x + 9 C. -10x5 - 5x4 + x3 + 11x2 + 6x - 9 D. -10x5 - 5x4 + x3 + 4x2 - 12x + 11