Solve.The population P, in thousands, of Pine Grove is given by P(t) = 
, where t is the time, in months. Find the interval on which the population was 40 thousand or greater.
A. [3.058, ?)
B. (-?, ?)
C. [0.942, 3.058]
D. [1.177, 3.823]
Answer: D
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Write the expression in standard form.
A. -2i
B. -2
C. 2i
D. 2
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(1, ?)
A. decreasing B. constant C. increasing
Provide an appropriate response.The bar graph shows the mean area of office space, in square feet, per worker at a certain company for four selected years.
Office area per worker, A, in square feet, can be modeled by A = -5x + 320, where x is the number of years after 1990.a) Use the formula to find the office area per worker in 2010.b) Does the area per worker obtained in part (a) underestimate or overestimate the area displayed by the graph? By how much?
What will be an ideal response?