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slega [8]
3 years ago
11

Given the function f(x) = 3x + 1 what is f(-2)?

Mathematics
2 answers:
Readme [11.4K]3 years ago
7 0

Answer:

-5

Step-by-step explanation:

f(-2) means that -2 is going to be our input in this function.

To solve this, simply substitute -2 for x in the expression given.

If f(x) = 3x+1, then f(-2) = 3(-2) + 1

3(-2)+1 = -6+1 = -5

Hope this helped!

nexus9112 [7]3 years ago
7 0

Answer:

f(-2) = 3(-2) + 1

f(-2) = 6 + 7

Therefore: f(-2) = 7

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Exhibit a population of ten integers having mean=20 and variance=4
Alla [95]

exhibit population for ten integers is 15,19,19,20,20,20,21,22,22,22 mean is 20 variance is 4

Step-by-step explanation:

  • Mean is helps in finding the mid point of the data.
  • Variance is the variability of data it was here.
  • In order to get the data straight the combination of 4 was required.
  • 4 is variance one data set was 19 other had to be 22.
  • As mean is 20 three means had to be 20.
  • from mean 20 4 is greater then 20 and 3 is less then 20.
  • 15 being the lowest it compensated the variance to 4.
  • Mathematically there are many ways to do this using function.
  • This is to be found out at a traditional method.
  • Reducing or increase the number as it was integers.
8 0
3 years ago
Fran need to move $9 million out of the country. The dimensions of a US bill is 2.61 inches by 6.14 inches by 0.0043 inches.
Mice21 [21]

Answer:

  • 1728 in³ in a cubic ft
  • 3.6 cubic feet (rounded to tenths)
  • 2 suitcases

Step-by-step explanation:

For part 2, you have rounded to hundredths. The question asks for the answer rounded to tenths.

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<u>Part 3</u>

  (3.6 ft³)×(1 suitcase)/(2.9 ft³) = 3.6/2.9 suitcases ≈ 1.24 suitcases

Suitcases only come in whole numbers. 1 is too few, so 2 suitcases are needed.

5 0
3 years ago
Kenny bought a 50-pound bag of chicken feed for $29.98 and a 25-pound bag for $15.49. Can you use proportional reasoning to find
Alla [95]

\frac{50 \: lbs}{29.98}  =  \frac{1 \: lb}{0.596}
\frac{ 25 \: lbs}{15.49}  =  \frac{1 \: lb}{0.6196}
\frac{1 \: lb}{0.596}  <  \frac{1 \: lb}{0.6196}
Since the proportions are different, it's best to say that to determine the price of a 40-pound bag, proportional reasoning is no where to be found so no, proportional reasoning cannot be used to find the price of a 40-pound bag!
4 0
3 years ago
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Can someone please explain how to simplify these
VLD [36.1K]

Answer:

a is 7x add alike terms for example they both got x add them if not its an expression which does not have a answer

Step-by-step explanation:

d is 6a

g is -1

j is -15

m is 18

p is

4 0
3 years ago
50 points if u answer this easy problem.
Vlad [161]

Answer:

Slope=2

Step-by-step explanation:

Slope=rise/run

We can start at 2, 3 (you can start anywhere on the line)

Then go to 3, 5 (you can end anywhere on the line)

Rise=2

Run=1

2/1=2

Slope is 2. The uses up there were examples. It doesn't have to be the exact points.

8 0
2 years ago
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