Determine whether the line through each pair of points is parallel. Answer parallel or not parallel.
?
A(1, -2), B(-3, -10) and C(1, 2), D(-1, -8)
What will be an ideal response?
not parallel
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Determine whether the relation is a function.{(-5, -5), (-2, 2), (1, -8), (8, 1)}
A. Function B. Not a function
The average speed of a vehicle on a stretch of Route 134 between 6 a.m. and 9 a.m. on a typical weekday is approximated by the function
?
?
where 
is measured in miles per hour and 
is measured in hours, with 
corresponding to 6 a.m. Find the interval where 
is decreasing and the interval where 
is increasing.
?
A. 
is increasing on 
is decreasing on 
B.
is increasing on is decreasing on 
C.
is increasing on 
is decreasing on 
D.
is increasing on 
is decreasing on
E.
is increasing on 
is decreasing on
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = x2 - 8
A. opens up B. opens down
Subtract.Subtract -9 from -40.
A. 49 B. 31 C. -49 D. -31