he function a = –2x2 + 8x + 5 models the altitude a in feet of a ball thrown in the air and the horizontal distance in feet that
the ball travels. Which is the vertex form of the function? (i just need part b answer)
1 answer:
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Answer:
2 weeks
Step-by-step explanation:
y = mx + b
y = total number of chapters read =
m = number of chapters read per week =
x = number of weeks = what we're solving for
b is not needed to find this solution
=
x divide
from both sides
x = 2 weeks