Graph the linear function and give the domain and range.f(x) = 4x - 3
A. D = (-?, ?),
R = (-?, ?)
B. D = (-?, ?),
R = (-?, ?)
Answer: B
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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 + 3.4x4 + 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 1974 B. Between 1965 and 1987 C. Between 1987 and 1994 D. Between 1960 and 1987
Subtract.
- 
A. -10
B. 
C. - 
D. - 
Solve the inequality.
> 0
A. (-3, 2) or (2, 3) B. (-3, 2) or (3, ?) C. (-?, -3) or (2, 3) D. (-?, -3) or (3, ?)
Solve the problem.A rock falls from a tower that is 73.5 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 3.9 sec B. 8.3 sec C. 1102.5 sec D. 8.6 sec