Martin and Helen both are computer technicians and they repair all kind of computers. Martin makes $50 a day plus $25 per repair
2 answers:
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The height is represented as y and the time is represented as x.
To find the maximum height (since this is a parabola that faces downwards) we need to find the vertex.
Vertex (x) =
b = 14
a = -16
Substitute
Now plug 7/8 to t
-16(7/8)^2 + 14(7/8)
-16(49/64) + 14(7/8)
-12.25 + 12.25
Answer: 0 ft
To find the maximum height (since this is a parabola that faces downwards) we need to find the vertex.
Vertex (x) =
b = 14
a = -16
Substitute
Now plug 7/8 to t
-16(7/8)^2 + 14(7/8)
-16(49/64) + 14(7/8)
-12.25 + 12.25
Answer: 0 ft