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Svetradugi [14.3K]
2 years ago
5

y- 1) The value, y, of a car x years after it is purchased is modeled by the function exponential function y = f(x), whose graph

is shown above Which statement about the car's value is true? A) Its initial value is B + A, and it will fall to a value of B B) its initial value is A, and it will fall to a value of B C) Its initial value is A and it will fall to a value of A-B ​
Mathematics
1 answer:
IgorLugansk [536]2 years ago
3 0

Given the exponential function y = f(x), a is the initial value and it will fall to a value of B

<h3>What is an exponential function?</h3>

An exponential function is given by:

y = abˣ

Where a is the initial value of y and b is the multiplication factor.

The value, y, of a car x years after it is purchased is modeled by the exponential function y = f(x), a is the initial value and it will fall to a value of B

Find out more on exponential function at: brainly.com/question/12940982

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If all the sides of a triangle get 2 times as big, how much does the area change?
KIM [24]

Answer:

Step-by-step explanation:

area becomes 2²=4  times.

4 0
2 years ago
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 15 years, and standard deviation of 3
Gala2k [10]

Answer:

The probability that their mean life will be longer than 13 years = .9943 or 99.43%

Step-by-step explanation:

Given -

Mean (\nu  ) = 15 years

Standard deviation (\sigma  ) = 3.7 years

Sample size ( n ) =22

Let \overline{X} be the mean life of manufacturing items

the probability that their mean life will be longer than 13 years =

P(\overline{X}>  13) =  P(\frac{\overline{X} - \nu }{\frac{\sigma }{\sqrt{n}}}>  \frac{13 - 15 }{\frac{3.7}{\sqrt{22}}})       (Z =\frac{\overline{X} - \nu }{\frac{\sigma }{\sqrt{n}}})

                    =  P(Z> -2.53)

                    = 1 - P(Z <  -2.53)       Using Z table

                    = 1 - .0057

                    =  .9943

7 0
3 years ago
Can someone help me figure out the answer?
olga_2 [115]

Answer:

y = -2x +15

Step-by-step explanation:

The point-slope form of the equation for a line through (h, k) with slope m is ...

... y - k = m(x - h)

For your point (h, k) = (5, 5) and slope m = -2, the equation in point-slope form is ...

... y - 5 = -2(x - 5)

Simplifying, we get

... y - 5 = -2x +10

Adding 5 puts the equation into slope-intercept form, as you want.

... y = -2x +15

8 0
3 years ago
What is the solution to the equation below round your answer to two decimal decimal places log4 x=2.1
nekit [7.7K]

Answer:

B

Step-by-step explanation:

log4x = 2.1

logx/log4 = 2.1

logx = log(4) x 2.1

logx = 1.264

x = 10^(1.264)

x = 18.38 (to two d.p)

8 0
2 years ago
Can someone answer This, please?
V125BC [204]

I am pretty sure it's the second sentence.

5 0
3 years ago
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