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olga_2 [115]
3 years ago
5

The graph of the function f(x) is shown below.

Mathematics
2 answers:
Elina [12.6K]3 years ago
5 0

Part A: [-3,5)

Part B: First of all, domain is the set of all x-values. -3 is the smallest x-value of this graph, and since it's a closed circle, you represent it with a bracket. 5 is the largest x-value, but it's and open circle so you use a parentheses to represent it.

Scorpion4ik [409]3 years ago
3 0

Answer:

Step-by-step explanation:

Given is a graph of the function f(x)

From the function we can see that the function starts from x=-3 and continuous till it reaches 5.

Thus since domain is all possible values x can take

domain = [-3,5)

Range is all the possible values f(x) can take.

Here we find that minimum value is -1 and maximum value is 3 and in between all points are covered

So range is [-1,3]

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Answer:

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Step-by-step explanation:

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7 0
1 year ago
Use the quadratic formula to solve the equation <br> 25x^2-30x+25=0
Reika [66]

Answer: x=\frac{3}{5}+i\frac{4}{5},\:x=\frac{3}{5}-i\frac{4}{5}

Step-by-step explanation:

25x^2-30x+25=0

x_{1,\:2}=\frac{-\left(-30\right)\pm \sqrt{\left(-30\right)^2-4\cdot \:25\cdot \:25}}{2\cdot \:25}

\sqrt{\left(-30\right)^2-4\cdot \:25\cdot \:25}

=\sqrt{30^2-4\cdot \:25\cdot \:25}

=\sqrt{30^2-2500}

=i\sqrt{2500-30^2}

=40i

x_{1,\:2}=\frac{-\left(-30\right)\pm \:40i}{2\cdot \:25}

x_1=\frac{-\left(-30\right)+40i}{2\cdot \:25},\:x_2=\frac{-\left(-30\right)-40i}{2\cdot \:25}

x=\frac{3}{5}+i\frac{4}{5},\:x=\frac{3}{5}-i\frac{4}{5}

8 0
2 years ago
<img src="https://tex.z-dn.net/?f=5%20%2B1" id="TexFormula1" title="5 +1" alt="5 +1" align="absmiddle" class="latex-formula"> x
soldi70 [24.7K]

Answer:

60

Step-by-step explanation:

Put in Parentheses.

(5 + 1) x 10 =

Solve numbers inside parentheses.

5 + 1 = 6

Now we have 6 x 10.

6 x 10 = 60

8 0
2 years ago
Solve –3 + c = –8.<br> A. -5 B. 11 C. 5 D.-11
sergey [27]

Answer:

The answer is A. -5

Step-by-step explanation:

Write out the equation:

-3 + c = -8           Add 3 on both sides to isolate the varible on one side

       c =  -5         -8 plus 3 is -5

You must isolate the variable in order to solve equations with variables.

Isolating variable is basically when you divide, multiply, add, or subtract to put a variable on <u><em>ONLY </em></u>one side of the equation.

<h3><u><em>Please rate this and please give brainliest. Thanks!!! </em></u></h3><h3><u><em>Appreciate it! : ) </em></u></h3><h3><u><em>And always, </em></u></h3><h3><u><em>SIMPLIFY BANANAS          : )</em></u></h3>

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6 0
3 years ago
Work out the size of angle x 126* 43*
il63 [147K]

Answer:

83°

Step-by-step explanation:

We khow that the sum of a triangle's angle is 180°

  • x is unkhown
  • an angle with 43° and another unkhown one

We should calculate the first one wich is given by : 180-126= 54

now finally :

  • x=180-(54+43)

         =83°

5 0
3 years ago
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