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Zigmanuir [339]
3 years ago
12

Tell if each equation represents exponential growth, exponential decay or neither.

Mathematics
1 answer:
scoray [572]3 years ago
3 0

Answer:

Exponential growth A, B;

exponential decay C, E;

neither D.

Step-by-step explanation:

The function y=a\cdot b^x

  • represents exponential growth when b>1;
  • represents exponential decay when 0

A. The equation f(t)=\dfrac{2}{3}\cdot \left(\dfrac{7}{3}\right)^t represents exponential growth, because \dfrac{7}{3}>1.

B. The equation P=22\cdot \left(1.76\right)^x represents exponential growth, because 1.76>1.

C. The equation V=\dfrac{1}{3}\cdot \left(0.45\right)^x represents exponential decay, because 0

D. The equation W=3.2\cdot (x) represents neither exponential growth nor exponential decay, because this function is linear.

E. The equation g(x)=4.2\cdot \left(\dfrac{1}{3}\right)^x represents exponential decay, because 0

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After dinner 1-3 of the corn bread is left suppose 2 friends want to share it equally what fraction names how much of the whole
Ad libitum [116K]

Answer:

Each friend will get  \frac{1}{18} of whole pan of corn bread

Step-by-step explanation:

As given,

Corn bread left = \frac{1}{3}

Total number of friends = 2

So the left bread will divide into 2 parts

So, each person will get = \frac{1}{2} ( \frac{1}{3} ) = \frac{1}{6} of the left bread

Now,

Left bread = \frac{1}{3} of whole bread

And

Each person get  =  \frac{1}{6} of the left bread

                            = \frac{1}{6} ×\frac{1}{3} of whole bread

                            = \frac{1}{18}of whole bread

∴ we get

Each friend will get  \frac{1}{18} of whole pan of corn bread

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3 years ago
NEED HELP please and thank you hehe
Lesechka [4]

Answer:

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Step-by-step explanation:

it's the x outside right?

7 0
3 years ago
NEED HELP ASAP!!!! Will give brainiest
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2%(random sentence bc I need 20 characters)
7 0
2 years ago
Find the missing term (x^12)^5 x (x^-2)^9 x what =(x^40)^5
Annette [7]

Answer:

x^{158}

Step-by-step explanation:

We are given,

(x^{12} )^{5} \times (x^{-2} )^{9} \times y = (x^{40} )^{5}.

It is required to find the value of y.

Now, on simplifying above equation, we get,

x^{60} \times x^{-18} \times y = x^{200}

i.e. x^{42} \times y = x^{200}

i.e. y = x^{200} \times x^{-42}

i.e. y = x^{158}

Hence, the missing term is x^{158}.

3 0
3 years ago
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