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3 years ago

11

Given f(x)= (x-5)/3, solve for f^-1(3)

1 answer:

IceJOKER [234]3 years ago

4 0

F-1(x) = (3x + 5) / 3

f-1(3) = (9 + 5) / 3 = 14/3

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In a diagram, X is the midpoint of Segment VZ. VW =5, and VY =20. Find the coordinates of W,X, and Y.

guapka [62]

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$x(a_{x},b_{x})is midpoint of vz\\
a_{x}=\frac{a_{v}+a_{z}}{2}=\frac{-12+22}{2}=\frac{10}{2}=5\\
b_{x}=\frac{b_{v}+b_{z}}{2}=\frac{0+0}{2}=0\\
and,\\
x(5,0)\\
w(a_{w},b_{w}),v_{w} and w is on the right of v.\\
a_{w}-a_{v}=5\\
a_{w}-(-12)=5\\
a_{w}+12=5\\
a_{w}=5-12=-7\\
w(-7,0)\\
y(a_{y},b_{y})=20 and y is on the right of v.\\
a_{y}-a_{v}=20\\
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a_{y}+12=20\\
a_{y}=20-12=8\\
y=(8,0)$

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3 years ago