Please help on this one :( don’t know it !
1 answer:
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Rational functions of the form
f(x)= polynomial in x / another polynomial in x
See example plot attached.
f(x)= polynomial in x / another polynomial in x
See example plot attached.
Attached is the line graphed. But first to graph this line you must get y by itself.
1.Multiply 2 to everything in the parentheses. You should get y+3=2x +4.
2.Subtract 3 from both sides to isolate the y-variable.You should get y=2x+4-3
3.Simplify. You should get y=2x+1.
4.Pull out the slope and y-intercept and graph the line.
1.Multiply 2 to everything in the parentheses. You should get y+3=2x +4.
2.Subtract 3 from both sides to isolate the y-variable.You should get y=2x+4-3
3.Simplify. You should get y=2x+1.
4.Pull out the slope and y-intercept and graph the line.
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