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AnnyKZ [126]
2 years ago
9

Find the slope from the table.

Mathematics
1 answer:
Schach [20]2 years ago
5 0

Answer:

slope = 4/1 or 4

Step-by-step explanation:

(2, 14)

(1, 10)

Formula = \frac{y^2-y^1}{x^2-x^1}

14-10 over 2 -1

4/ 1 = 4

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Which is a stretch of an exponential decay function?
Marta_Voda [28]

Answer:

The correct option is C. The function f(x)=\frac{5}{4}(\frac{4}{5})^x is a stretch of an exponential decay function.

Step-by-step explanation:

The general form of an exponential function is

f(x)=ab^x

where, a is the initial value and b is the growth factor.

If b<1, then it represents a decay function and if b>1, then it represents a growth function.

Let k be a stretch and compression factor.

g(x)=kf(x)

If k<1, then it represents vertical compression and if k>1, then it represents vertical stretch.

In third function

f(x)=\frac{5}{4}(\frac{4}{5})^x

k > 1

b < 1

Therefore the function f(x)=\frac{5}{4}(\frac{4}{5})^x is a stretch of an exponential decay function.

4 0
2 years ago
Pedro Pascal wants to have $15,000 in an account after five years. He found a bank that will offer him a 7.5% interest rate, com
Juli2301 [7.4K]

<u>Answer-</u>

He needs to put $10345 in the account today, in order to get 15000 in five years.

<u>Solution-</u>

We know that,

A=P(1+\frac{r}{n})^{nt}

Where,

A = future value of the investment with interest  = 15000

P = principal investment amount

r = annual interest rate (decimal)  = 7.5% = 0.075

n = number of times that interest is compounded per year  = 4

t = the number of years the money is invested = 5

Putting the values,

15000=P(1+\frac{0.075}{4})^{4 \times 5}

\Rightarrow P=\frac{15000}{(1+0.01875)^{20}} =\frac{15000}{1.01875^{20}} =\frac{15000}{1.45} =10344.8 \approx 10345

6 0
3 years ago
What is the value of the 4 in the number 27.43 write your answer as a fraction​
egoroff_w [7]

Answer:

⅖

Step-by-step explanation:

In 27.43,

There are 2 tens, 7 units, 4 tenths and 2 hundredths

4/10

2/5

6 0
3 years ago
Will give brainliest, Please explain how you got your answer!
Tpy6a [65]
2x + 14 + 6y (multiply everything by 2)
6 0
3 years ago
The eighth-grade class is planning a trip to Washington, D.C. this spring. They need a minimum of
Hoochie [10]

Answer:

There needs to be 174 Students in the 8th grade class.

Step-by-step explanation:

173(1/3) is 58

58+17=75

3 0
2 years ago
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