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vladimir2022 [97]
3 years ago
15

Rewrite y=5(14)t/6 in the form y=a(1+r)t or y=a(1−r)t. Round the value of r to the nearest ten thousandth. Then tell whether the

model represents exponential growth or exponential decay.
Mathematics
1 answer:
Sveta_85 [38]3 years ago
4 0

Answer:

y=5(1+0.5525)^t where r=0.5525  which is in the form of y=a(1+r)^t or y=a(1-r)^t..

The expression represents an exponential growth function.  

Step-by-step explanation:

Given that y=5(14)^{\frac{t}{6}

To rewrite the given equation in the form y=a(1+r)^t or y=a(1-r)^t..

y=5(14)^{\frac{t}{6}

 =5((14)^{\frac{1}{6}})^t

=5[1.5525]^t

y=5(1+0.5525)^t where r=0.5525  which is in the form of y=a(1+r)^t or y=a(1-r)^t..

Since 1.5525 > 1, we have that the expression represents an exponential growth function.  

 

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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
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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.
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  • 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

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