anonymous
  • anonymous
Which function has a vertex at the origin? f(x) = (x + 4)2 f(x) = x(x – 4) f(x) = (x – 4)(x + 4) f(x) = –x2
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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SolomonZelman
  • SolomonZelman
For any parent function \(\large\color{black}{ \displaystyle y=f(x) }\) (assuming it goes through the origin): -------------------------------------------- \(\large\color{black}{ \displaystyle y=f(x+c) }\) is a shift \(c\) units to the left. -------------------------------------------- \(\large\color{black}{ \displaystyle y=f(x-c) }\) is a shift \(c\) units to the right. -------------------------------------------- \(\large\color{black}{ \displaystyle y=f(x)+c }\) is a shift \(c\) units up. -------------------------------------------- \(\large\color{black}{ \displaystyle y=f(x)-c }\) is a shift \(c\) units down. -------------------------------------------- \(\large\color{black}{ \displaystyle y=c{\tiny}f(x) }\) is stretching (widening) the function when \(01\) (this all is for positive number c)
SolomonZelman
  • SolomonZelman
\(\large\color{black}{ \displaystyle y=c{\tiny}f(x) }\) is called multiplying the function times the scale factor, and if the parent function y=f(x) is already going through the origin, then so would be the y=c•f(x) (regardless of value of c)
SolomonZelman
  • SolomonZelman
One note to make: When c is a scale factor it can't equal zero, because the entire function then is going to be just a line y=0

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SolomonZelman
  • SolomonZelman
if you got question(s), then please ask.... :)
anonymous
  • anonymous
no questions , btw thanks

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