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k0ka [10]
3 years ago
13

Determine whether each function represents exponential growth or decay. Select the correct option for each function. PLEASE HELP

ASAP

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
6 0

Answer: f(x)= (3/4)^x/2 —> Decay

f(x)=(4/3)^x —> Growth

f(x)=(5/6)^3x —> Decay

f(x)=(8/3)^x/3 —> Growth

f(x)=(3/2)^2x —> Growth

Step-by-step explanation: When you graph them one by one, for example, the first equation (f(x)= (3/4)^x/2), the graph would have an asymptote on the right side, meaning that it’s decaying.

Straight up explanation: if the asymptote on the graph is on the left then it is growing, but if the asymptote is on the right then it’s decaying.

Asymptote is the “line” that almost touches the x axis.

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The aspect ratio of a rectangular shape is its length (L) divided by its width (W). It is expressed as L:W or L/W. If the aspect
klio [65]

Answer:21

Step-by-step explanation:12 times three is 36 and 7 times 3 is 21

3 0
3 years ago
(8–9a)a=−40+(6–3a)(6+3a)
elena-14-01-66 [18.8K]

Answer:

a=-0.5

Step-by-step explanation:

Distributive property for left side, difference of squares for right side.

8a-9a^2=-40+36-9a^2

-9a^2 cancels out

8a=-4

a=-0.5

8 0
3 years ago
Read 2 more answers
A survey study is to be made to estimate the proportion of residents of a certain suburb who favor the construction of a public
lesya [120]

Answer: 601

Step-by-step explanation:

When the prior estimate of population proportion is not given , the formula we apply to find sample size :

n=0.25(\dfrac{z^*}{E})^2

, where z* = critical z-value

E=Margin of error

Given : Margin of error = 0.04

Confidence level = 95%

We know that , according to the z-table , the critical value for 95% confidence interval = z*= 1.960

Then, the required sample size : n=0.25(\dfrac{1.960}{0.04})^2

n=0.25(49)^2

n=0.25(2401)=600.25\approx601

Hence, the required minimum sample size = 601

4 0
3 years ago
What is the sum of the degrees of the interior angles of a 19-gon?
emmasim [6.3K]
Sum of interior angles formula = (n-2) x 180
where n = number of sides

so,
( 19-2 ) x 180
= 17 x 180
= 3060

ans : A

hope it helps :)
7 0
3 years ago
What is the equation, in slope-intercept form, of the line parallel to y = 5x +2 that passes through the point with coordinates
DaniilM [7]

Answer:

<em>Slope - intercept form  y = 5x+17</em>

<em>The equation of the parallel line to the given line is 5x-y +17=0</em>

Step-by-step explanation:

<u><em>Explanation</em></u>

The equation of the straight line is y= 5x+2

                                          5x - y +2=0

The equation of the straight line is 5x-y+2=0

Given that the point(-3,2)

The equation of the parallel line to the given line is

                              5x -y +k=0

                              5(-3) - 2+k=0

                              -15 -2 +k =0

                               -17 +k=0

                                     k =17

The equation of the parallel line to the given line is 5x-y +17=0

<u><em>Final answer:-</em></u>

<em>Slope - intercept form  y = mx+c</em>

<em>Slope - intercept form  y = 5x+17</em>

6 0
3 years ago
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