Solve the problem.Roger agreed to 7 years of car payments. He has been making payments for 
and 
How much longer does he have to keep making payments?
A. 5 yr 4 mo
B. 5 yr 5 mo
C. 5 yr 7 mo
D. 5 yr
Answer: C
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Determine the indefinite integral. Check your work by differentiation.
dx
A. 
- 
- 
+ C
B. 
- 
- 
+ C
C. 
- 
+ 
+ C
D. -5x4 - 5x5 + C
Solve the problem.The spread of a cold virus can be modeled using logistic equations. The key assumption is that at any given time, a fraction y of the population, where 0 ? y ? 1, has the virus, while the remaining fraction src="https://sciemce.com/media/4/ppg__tttt0613190828__f1q15g3.jpg" alt="" style="vertical-align: -4.0px;" /> and solve the initial value problem where the number of people who initially have the cold virus is 
does not. Furthermore, the cold virus spreads by interactions between those who have it and those who do not. The number of such interactions is proportional to y(1 - y). Therefore, the equation that describes the spread of the virus is 
where k is a positive real number. Assume 
A. y = 
B. y = 
C. y = 
D. y = 
Write the equation of a line that passes through the given point and is parallel to the given line. Write the equation in slope-intercept form and in the form of 
where A, B, and C are integers and A > 0.(1, -4); y = 2x - 2
A. y = -2x + 2 2x + y = 2 B. y = 2x + 6 2x - y = -6 C. y = -2x - 2 2x + y = -2 D. y = 2x - 6 2x - y = 6
Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if cos ? = 
, then find the value of cot ?.
A. 
B. 
C. 
D. 