Assuming that 
is the amount of hours spent doing homework:
Plug in
for
, 
That means that since a
value is the test score (because that's what the y-axis is labeled), your predicted test score is a 64.
Plug in
That means that since a
Determine the direction that this parabola opens y=-4x^2-8x-13
1 answer:
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Answer:
here is the answer
Step-by-step explanation:
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