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Ierofanga [76]
3 years ago
8

PLZ HELP WILL GIVE BRAINLIEST 50+25 POINTS!!!Graph the following piecewise function.

Mathematics
2 answers:
Luda [366]3 years ago
5 0

We need to graph the given piecewise function.

To graph any piecewise function we do that into parts

Let's graph upper part first which is

f(x)=x^2+2

restriction for that is -5 \leq x < 3

that means we are free to pick any number for x that is between -5 and 3, including 3.

So we will find few points by plugging random numbers between -5 and 3.

Let's use x=-5, we get:

f(-5)=(-5)^2+2=25+2=27

so first point is (-5,27).

similarly we can find other points like (0,2), (2,6), (-1,3) etc.

Now we join those points by a curved line.

-5 \leq x means we use a close circle at -5

x<3 means use open circle at 3


------------

Repeat same process for 2nd part f(x)=x-4

choose any number between 3 and 7 like x=3, 4 etc

so we get points (3,-1), (4,0) etc

Now graph them

So the final graph will look like:


Black_prince [1.1K]3 years ago
4 0

Answer:

see plot below

Step-by-step explanation:


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Y^2 + 18y - 41 = 0<br> Y= <br> Y=
lana66690 [7]

Answer:

y= -9+√122, or -9 - √122

Step-by-step explanation:

You have to solve the equation for y to find each variable of the quadratic and applying the quadratic formula.

after solved, I got the answer as decimal,

y = 2.0453610.....

i simpler form : y = 2.05

Also, an answer can be y= -9+√122, or -9 - √122

6 0
3 years ago
Which expression is equivalent to(2^3)^-5
Nady [450]

Answer:

hope this helps if not im sorry

Step-by-step explanation:

(2^3)^5

=2^(3*5)

= 2^15

3 0
3 years ago
Please answer please
love history [14]

Answer:

43.5 cm²

Step-by-step explanation:

½ × 12 × 8 × sin(65)

= 43.50277378 cm²

7 0
3 years ago
If the slope of line l is x, and the slope of line m is x+2, and l⊥ m, what is x?
salantis [7]

Answer:

The answer to your question is:  x = -1

Step-by-step explanation:

Data

slope of l = x

slope of m = x +2

they are ⊥

Process

If they are ⊥, then,     x + 2  = - 1/x

                                  x(x + 2) = -1

                                  x² + 2x = -1

                                  x² + 2x + 1  = 0

                                 (x + 1)² = 0

                                 x + 1 = 0

                                x = -1

6 0
3 years ago
Diet cola was on sale last week; it cost $10 for every 4 packs of cola. How much do 2 packs of cola cost?
TiliK225 [7]

Answer:

2 pack of cola would cost $5.

Step-by-step explanation:

the reason for this being is that

4 packs of cola = $10

2 is half of 4

5 is half of 10

$5<====

4 0
3 years ago
Read 2 more answers
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