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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...
ACT Math: Intermediate Algebra: Drill 5, Problem 1. What does g(f(x)) equal?
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?
- Functions / Interpret functions that arise in applications
- Functions / Interpret functions that arise in applications
- Functions / Interpret expressions for functions in terms of the situation they model
- Functions / Interpret expressions for functions in terms of the situation they model
- Functions / Interpret functions that arise in applications in terms of context
- Functions / Interpret functions that arise in applications
- Functions / Interpret functions that arise in applications
- Algebra and Functions / Graphing functions
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.
Full Transcript
- 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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