Sketch the graph of the function.f(x) = - 
|x|
A. 
B. 
C. 
D. 
Answer: D
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Use the information given in the table to solve the problem.The table gives the value of a 1957 Chevy BelAire in #2 condition for selected years.
Use the concept of an average or mean to estimate the value of a 1957 ChevyBelAire in #2 condition in 1983.
A. $ 9229.63 B. $ 9190.50 C. $ 9200.50 D. $ 9171.37
Find the y-intercepts and any x-intercepts.y = x2 + 4
A. y-intercept (4, 0), no x-intercepts B. y-intercept (0, 4), no x-intercepts C. x-intercept (4, 0), no y-intercepts D. y-intercept (0, 4), x-intercept (4, 0)
Find the equation of the parabola corresponding to the given information.The parabola has focus and directrix as shown.
A. y = - 
x2
B. x = - 
y2
C. x = 
y2
D. y = 
x2
Solve the problem.The amount of a certain drug in the bloodstream is modeled by the function 
, where y0 is the amount of the drug injected (in milligrams) and t is the elapsed time (in hours). Suppose that 10 milligrams are injected at 10:00 A.M. If a second injection is to be administered when there is 1 milligram of the drug present in the bloodstream, approximately when should the next dose be given? Express your answer to the nearest quarter hour.
A. 5: 30 P.M B. 3:45 P.M C. 12:30 P.M D. 5:45 P.M