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Functions Videos 43 videos

Piecewise Functions
6148 Views

Don’t even think about starting up your combo lemonade/fro-yo stand without first making sure you understand piecewise functions. You’re just a...

Domain and Range
5384 Views

Domain and range: two terms you will learn to love (or hate with a vengeance). The domain is the set of all possible x values, and range is the set...

Functions as Models
730 Views

Functions briefly flirted with the idea of being infomercial hosts, but they didn’t shine when talking on-camera. They’re much better off in th...

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CAHSEE Math 4.3 Algebra and Functions 302 Views


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Description:

Algebra and Functions: Drill 4, Problem 3. The sum of the quadratic parent function and the line given has which of the following as its graph?

Language:
English Language

Transcript

00:03

Here's an unshmoopy question you'll find on an exam somewhere in life...

00:11

The sum of the quadratic parent function (y = x2) and the line y = 1

00:17

has which of the following as its graph?

00:20

Here are the potential answers...

00:22

So hit pause and try this yourself first.

00:28

First, we have to figure out what our new equation is.

00:34

Since our new equation is the sum of x squared and 1, we have... x squared plus 1.

00:41

Remembering our translations and transformations of parabolas...

00:47

...we know that the "plus 1" just translates the entire parabola

00:51

of y = x2 up vertically 1 unit.

00:55

Sure looks like answer A to us.

00:57

Guess Christmas came early this year.

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