Solve the problem.Suppose that the population of a certain city during a certain time period can be modeled with the function, P(x) = -0.1x5 + 3.2x4 + 5000, where x is time in years since 1960. By sketching a graph of P(x), estimate during what time period the population of the city was increasing.
A. Between 1960 and 1986
B. Between 1960 and 1973
C. Between 1965 and 1986
D. Between 1986 and 1992
Answer: A
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Solve the linear equation using the multiplication property of equality.
= 9
A. q = 7
B. q = 11
C. q = 18
D. q = 
Solve the problem.
Abbey is driving a delivery truck on a straight road. The graph shows the distance y in kilometers that Abbey is from Store A after x hours. (i) Find the slope-intercept form of the equation of the line. (ii) Use the graph to estimate the y-coordinate of the point 
that lies on the line.
A. y = 25x - 300; (6, -150) B. y = -50x + 300; (6, 0) C. y = 25x + 300; (6, 450) D. y = -25x + 300; (6, 150)
Solve the equation.4-x = 
A. 
B. {2}
C. {-2}
D. 
Solve the linear inequality. Express the solution in set-builder notation.- 
x - 
< - 
A. 
B. 
C. 
D. 