Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = -x2 - 4x
A. domain: {x|-? < x < ?}
range: {y|y ? -4}
B. domain: {x|-? < x < ?}
range: {y|y ? -4}
C. domain: {x|-? < x < ?}
range: {y|y ? 4}
D. domain: {x|-? < x < ?}
range: {y|y ? 4}
Answer: C
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Determine whether the matrices in each pair are inverses of each other.
, 
A. No B. Yes
In the following exercise, assume straight-line appreciation. ? An antique table is expected to appreciate $30 each year. If the table will be worth $220 in 5 years, what will it be worth in 10 years? ? Please enter your answer rounded to the nearest whole dollar, without the units.
Fill in the blank(s) with the appropriate word(s).
Plot each number on a number line.-10, 30, 50, -40
A. 
B. 
C. 
D. 
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No