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Tresset [83]
3 years ago
14

If f(x)=5x^2 and g(x)=x+1 find (f•g)

Mathematics
2 answers:
LenKa [72]3 years ago
8 0

(f•g)=   f(1)•g(1)

= 5(1)^2 • (1)+1

= 5(1) • 2

= 5 • 2

= 10

Your answer here is 10.

Hope I helped!

Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

your answer is 10 in this situation

Step-by-step explanation:

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Find the price of 1 marker if 5 markers cost $15
Alex787 [66]

Answer:

The price of 1 marker is $3

Step-by-step explanation:

15/5 = 3

5 0
3 years ago
Read 2 more answers
State whether the following variables have a positive correlation, negative correlation, or no correlation.
muminat

The types of correlation seen between positive correlation, negative correlation, or no correlation, in the variables is:

  • a. Height of a person and how often he or she attends religious services. - No correlation
  • (b.)Average property tax in a school district and salary of teachers - Positive correlation
  • (c.)Weight of a person and shoe size. - Positive correlation

<h3>What is the correlation between property taxes and teacher salaries?</h3>

One of the main sources of funding for school districts is the property tax charged. This means that increased property taxes will lead to more money being available for teacher salaries which might then increase. There is therefore a positive correlation between the two.

The same is true for the weight of a person and shoe size. This is because the heavier a person is, the larger their shoe size according to research.

There is however no correlation between the height of a person and their attendance of religious services.

Find out more on positive correlation at brainly.com/question/17180881

#SPJ1

6 0
1 year ago
How can i calculate the growth rate of the values below
Grace [21]

Answer:

  12%

Step-by-step explanation:

The equation for the growth is ...

  f(t) = (initial value)×(growth multiplier per period)^(number of periods)

where the growth multiplier is often expressed as a percentage added to 1:

  multiplier = 1+r

  growth rate = r

__

This equation has two unknowns:

  • initial value
  • growth multiplier

In order to find these, you can make use of two of the supplied data points. I like to choose the ones that are farthest apart, as they tend to average out any errors due to rounding.

Clearly, the table tells you the initial value is 210. If you don't believe, you can put the numbers in the equation to see that:

  f(0) = (initial value)×(growth multiplier)^0

  210 = (initial value)×1

  (initial value) = 210

__

Using the last data point, we get ...

  f(7) = 210×(growth multiplier)^7

  464 = 210×(growth multiplier)^7 . . . . . . . . . fill in table value

  2.209524 = (growth multiplier)^7 . . . . . . .  divide by 210

You can solve this a couple of ways. My calculator is able to take the 7th root, so I can use it to find ...

  \sqrt[7]{2.209524}=\text{(growth multiplier)}\\1.119916\approx \text{(growth multiplier)}

Alternatively, you can use the 1/7 power:

  2.209524^(1/7) = (growth multiplier)

Another way to solve this is to use logarithms:

  log(2.209524) = 7×log(growth multiplier) . . . . . take the log

  log(2.209524)/7 = log(growth multiplier) . . . . . divide by 7

  0.04918553 ≈ log(growth multiplier)

  growth multiplier = 10^0.04918553 ≈ 1.11992 . . . . take the antilog

So, our growth multiplier is ...

  1 + r ≈ 1.11992

  r ≈ .11992 ≈ 12.0%

The rate of growth is about 12% in each period.

_____

Collapsing all of that to a single calculation:

  growth rate = (464/210)^(1/(7-0)) -1 ≈ 12.0%

8 0
3 years ago
Which graph represents the linear function below?
Luba_88 [7]

Answer:

The correct option is C.

Step-by-step explanation:

The given function is

y-4=\frac{4}{3}(x-2)              ..... (1)

The point slope form of a linear function is

y-y_1=m(x-x_1)                    ..... (2)

Where, m is slope and the graph passing through the point (x_1,y_1).

From (1) and (2), we get

m=\frac{4}{3},x_1=2,y_1=4

It means the slope of the line is positive and the graph passing though the point (2,4).

Put x=0 in the given function, to find the y-intercept.

y-4=\frac{4}{3}(0-2)

y-4=\frac{-8}{3}

y=\frac{-8}{3}+4

y=\frac{-8+12}{3}

y=1.333

The y-intercept is 1.333.

Put y=0 in the given function, to find the x-intercept.

0-4=\frac{4}{3}(x-2)

-12=4x-8

-4=4x

x=-1

The x-intercept is -1.

Therefore option C is correct.

5 0
3 years ago
Read 2 more answers
FIRST TO ANSWER GETS BRAINLYEST!!!!!!
tiny-mole [99]

Answer:

m ≈ 3

Step-by-step explanation:

3.53631284916 x 10^3 ≈ 3 x 10^3

5 0
3 years ago
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