Provide an appropriate response.In a test of a diet for pigs, the average live weight w (in kilograms) of a pig was a linear function of the number d of days after the start of the diet, where 0 ? d ? 50. The weight of a pig at the beginning of a diet was 25 kg and thereafter the pig gained 5 kg every nine days. (a) Express w as a function of d. (b) Find the weight of a pig 36 days after the beginning of the diet.
What will be an ideal response?
| (a) | w =  d + 25 | (b) | 45 kg |
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Solve using the addition principle.4 = b - 4
A. 8 B. 0 C. -8 D. 0
Provide an appropriate response.Suppose that you want to invest some money in order to have $1000 available at some later time. If you invest it at 7% interest compounded continuously, the amount you need to invest now, P, is related to the number of years from now that you need the money, t, by: P(t) = 1000e-0.07t. Graph this on your graphing calculator in the window 
×
. Discuss the behavior of this graph.
What will be an ideal response?
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = -x2 - 4x + 5
A. 
B. 
C. 
D. 
Solve the problem.
Larissa Dalton earns $7874.27 semimonthly, is married, and claims 3 withholding allowances. Find her net earnings for this pay period. Social security tax is 6.2% and Medicare tax is 1.45%.
A. $7271.89 B. $6453.27 C. $8692.89 D. $5850.89