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Ludmilka [50]
2 years ago
9

(1 point)

Mathematics
1 answer:
Anika [276]2 years ago
5 0

Answer:

When a complex number z is written in its polar form,z = r(cos theta + i sin theta), the nonnegative number r is called the magnitude, or modulus, of z.

In mathematics, magnitude is the size of a mathematical object, a property by which the object can be compared as larger as or smaller than other objects of the same kind. More formally, an object's magnitude is an ordering (or ranking) of the class of objects to which it belongs.

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If f(x) = 2x - 9, which of the following are correct? Select all that apply. f(-1) = -11 f(2) = 5 f(3) = -3 f(0) = -9 f(-3) = 15
Yuri [45]

f(-1) = -11 and f(3) = -3 . these functions are true .

What does a math function mean?

  • A relationship between a group of inputs and one output each is referred to as a function.
  •  A function is an association between inputs in which each input is connected to precisely one output.
  • A domain, codomain, or range exists for every function. f(x), where x is the input, is a common way to refer to a function.
  • In mathematics, a function is an expression, rule, or law that establishes the relationship between two variables (the dependent variable).

given function  f(x) = 2x - 9

   f(-1) = -11 ⇒ x = -1 put in function

                       f( -1 ) = 2 * -1 - 9  ⇒ - 11

    f(2) = 5   ⇒ x = 2 put in function

                    f( 2 ) = 2 * 5 - 9 = 1

    f(3) = -3  ⇒  x = 3 put in function

                     f ( 3 ) = 2 * 3 - 9 = -3

       f(-3) = 15   ⇒  x =  -3 put in function

                     f( -3) = 2 * -3 - 9 = - 15

Learn more about function

brainly.com/question/21145944

#SPJ13

3 0
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What stays the same no matter what location your in
nikitadnepr [17]
The mass of an object
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What is the cost per year of raising a child from birth to 18 years old, and paying for 4 years of private college?
borishaifa [10]

Answer:

345700

Step-by-step explanation:

79600+145700+120400=345700

6 0
3 years ago
erika has 3 pieces of ribbon.each piece id 25 yards long.she needs to cut pieces that are 22 inches long.what is the greatest nu
OlgaM077 [116]
There is 900in in 25 yards so 900*3=2700/22=122.7
so it will be 122 pieces
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After tossing the same coin 10 times, you are surprised to find that tails has come up 8 times. You therefore conclude that this
Arisa [49]
Whats the question you want us to solve

5 0
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