Find the y-intercept of the polynomial function.f(x) = -x2(x + 4)(x - 8)
A. 0
B. 32
C. -8
D. -32
Answer: A
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The function 
satisfies the equation of change 
. For what values of f is the graph of f versusx increasing? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. ?
D. 
Solve.The population of a city has varied considerably in recent years. The data in the table relates the population P to time t, in years. Use a quadratic function fitted to the data to predict the population in year 10. 
A. 58,964 B. 119,000 C. 48,431 D. 81,020
Write the augmented matrix associated with the system.
A. 
B. 
C. 
D. 
Solve the problem.A family is driving from Algebraville to Geometry City to Trig Town. With reference to the origin, Algebraville is located at 
, Geometry City at 
, and Trig Town at 
, all numbers being in 1000-mile units. Find the distance traveled by the family. If necessary, round your answer to the nearest whole number.
A. 9434 mi B. 22,472 mi C. 13,038 mi D. 22 mi