Express the integrand as a sum of partial fractions and evaluate the integral.
A. - 
+ 5ln
+ 5ln
+ C
B. -10 ln
+ 
tan-1 
+ C
C. -10 ln
+ 5ln
+ 5ln
+ C
D. 10 ln
- 5ln
- 5ln
+ C
Answer: C
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Write the English sentence as an equation in two variables. Then graph the equation.The y-value is one increased by the square of the x-value.
A. y = 1 - x2
B. y = 1 + x2
C. y = -1 + x2
D. y = 1 + 2x
Solve the problem. Round to the nearest cent.Find the sales tax on an item costing $25.51 if the tax rate is 6.5%.
A. $1.66 B. $1.40 C. $1.91 D. $16.60
Provide an appropriate response.Find the 11th term of the geometric sequence whose first term is 2000 and whose common ratio is 
.
A. 
B. 
C. 
D. 
Solve the problem.The concentration of alcohol in a person's blood is measurable. Suppose that the risk R (given as a percent) of having an accident while driving a car can be modeled by the equation R = 5ekxwhere x is the variable concentration of alcohol in the blood and k is a constant.Suppose that a concentration of alcohol in the blood of 0.07 results in a 10% risk 
of an accident. Find the constant k in the equation.Using this value of k, what is the risk if the concentration is 0.11?
What will be an ideal response?