Graph the function.f(x) = -1 - ln x
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.The function f(t) = -0.12t2 + 0.53t + 30.8 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.55t2 + 11.89t + 105.3 models the total yearly cost of Medicare in billions of dollars, where t represents years after 1990. What does the function 
represent? Find 
(15).
A. Cost per person in thousands of dollars. $0.16 thousand B. Cost per person in thousands of dollars. $0.03 thousand C. Cost per person in thousands of dollars. $34.67 thousand D. Cost per person in thousands of dollars. $8.64 thousand
Provide an appropriate response.The following proportion is not true. Change any one of the numbers in the proportion to make it true. 
What will be an ideal response?
Factor the trinomial completely.4x3 + 8x2 - 60x
A. (4x2 + 12x)(x - 5) B. (x - 3)(4x2 + 20) C. 4x(x + 3)(x - 5) D. 4x(x - 3)(x + 5)
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)