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____ [38]
3 years ago
12

What is the domain of the function f(x) = x2 + 3x + 5?

Mathematics
2 answers:
Harrizon [31]3 years ago
8 0
Domain: -∞<x<∞ since it's infinitely going both ways of the graph on the x-axis
katrin2010 [14]3 years ago
8 0
It's all real numbers
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One approach to this problem is to obtain the graph for the given equation.

We need to find every intersection those functions have with the axis 'x' and 'y'

starting with g(x)

g(x=0)=0-3, first point (0,-3) it iis the crossing point with 'x' axis

g(x)=0=x-3, second point (3,0) it iis the crossing point with 'y' axis

Lets do the same for f(x)

g(x=0)=0, this leads to the first point (0,0) it iis the crossing point with 'x' axis and also, with the 'y' axis

We dont need to find any other, since always y=x

By plotting we have the attached picture

Now you can see that g(x) differs from its parent function in that is shifted 3 units to the right, and also 3 units down.

Step-by-step explanation:

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Step-by-step explanation:

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