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3 years ago

Which of the following functions is graphed below?

Mathematics

1 answer:

svetoff [14.1K]3 years ago

5 0

<h3>Answer:</h3>

C (see attached)

<h3>Step-by-step explanation:</h3>

The linear portion of the graph is defined for x ≥ 1, with the point x=1 included. Only selections A and C do that.

The quadratic portion of the graph is defined for x < 1. Only selection C does that. (Selection A is doubly-defined for x > 1, so is not a function. It is undefined for x < 1.)

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Answer:

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3 years ago

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=(D-64)2

We move all terms to the left:

-((D-64)2)=0

We calculate terms in parentheses: -((D-64)2), so:

(D-64)2

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Back to the equation:

-(2D-128)

We get rid of parentheses

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3 years ago

I need help please.

IgorLugansk [536]

Answer:

13 - 17 $\sqrt{11}$

Step-by-step explanation:

Using the rule

$\sqrt{a}$ × $\sqrt{a}$ = a

Each term in the second factor is multiplied by each term in the first factor, that is

2 $\sqrt{11}$ ( $\sqrt{11}$ - 9 ) + 1 ( $\sqrt{11}$ - 9 )

Distribute both parenthesis

= (2 × 11) - 18 $\sqrt{11}$ + $\sqrt{11}$ - 9

= 22 - 17 $\sqrt{11}$ - 9

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3 years ago