Consider the quadratic function below and (a) find the vertex; (b) find the axis of symmetry: (c) determine whether there is a maximum or a minimum value, and
find that value and (d) graph the function,
AY
10
8
f(x) = x2 - 14x + 48
6
(a) The vertex occurs at
(Type an ordered pair using integers or fractions.)
4
2
(b) Find an equation for the axis of symmetry
108
10
2
(Type an equation. Use integers or fractions for any numbers in the equation.)
(c) Determine whether the parabola has a maximum or a minimum and find its
value
8
Select the correct choice below and fill in the answer box within your choice.
(Type an integer or a fraction.)
O A. The parabola opens downward and has a maximum value of
O B. The parabola opens upward and has a minimum value of
10
(d) Use the graphing tool on the right to graph the function
Click to

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )