Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(7, -1); slope: - 
A. y = - 
x + 
B. y = - 
x + 
C. y = 
x - 
D. y = - 
x + 5
Answer: B
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Solve the problem.The percentage of Americans owning a car with a cassette tape player during particular years is given in the following table:
Let t be the number of years since 1992. Find a linear function, f(t), for the line containing the points 
and 
. Find the t-intercept. What does it mean in this situation?
A. (40, 0) It means that in the year 2032, there will be no cars with cassette players. B. (39, 0) It means that in the year 2031, there will be no cars with cassette players. C. (44, 0) It means that in the year 1997, there will be no cars with cassette players. D. (40, 0) It means that in the year 2032, there will be 1000 cars with cassette players.
Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln(x - 8)
A. 
B. - 
C. 
D. 
The graph shows a region of feasible solutions. Find the maximum or minimum values of the given expression.Find the maximum and minimum of 5x + 7y.
A. 50, 28 B. -20, -45 C. 45, 20 D. 30, 35