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3 years ago

G(n)=n+1 f(n)-n^2-n find g(f(8))

Mathematics

1 answer:

bogdanovich [222]3 years ago

3 0

Step-by-step explanation:

$g(f(8)) =( n ^{2} - n )+ 1 = 8 ^{2} - 8 + 1 = 64 + 9 = 73$

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April lost 5 pounds in her first week of college. Over the next three weeks she lost 3 pounds, gained 2 pounds, and then lost 1

Doss [256]

Change in April's weight is -7

Solution:

Let the initial weight be "x"

April lost 5 pounds in her first week of college

First week = lost 5 pounds

Therefore, x - 5

Over the next three weeks she lost 3 pounds, gained 2 pounds, and then lost 1 pound

Next three week:

Lost 3 pound

Gained 2 pound

Lost 1 pound

Therefore, weight after 4 weeks is given as:

x - 5 - 3 + 2 - 1 = x -7

After 4 week, the weight is x - 7

The change in April weight is given as:

Weight after 4 week - initial weight = x - 7 - x = -7

Thus change in April's weight is -7 (Negative sign represents loss in weight )

4 0

3 years ago

Can someone help me with this? I don’t understand it.

horrorfan [7]

Answer:

x+y=z

4+9=13

Step-by-step explanation:

x=4

2(4)+1=y=9

4+9=13

3 0

3 years ago

Can you please help me. If you help me i will give you brainliest ( question 2-5)

vfiekz [6]

Answer:

I have made it in the above picture

5 0

3 years ago

Th Write an explicit formula for ans then term of the sequence 40,50,60, ....

kenny6666 [7]

<h3>Answer: $a_n = 10n+30$ </h3>

n starts at 1, and n is a positive whole number (1,2,3,...)

======================================================

Explanation:

The sequence is arithmetic with first term 40 and common difference 10. Meaning we add 10 to each term to get the next one.

--------

a1 = 40 = first term

d = 10 = common difference

$a_n = a_1 + d(n-1)\\\\a_n = 40 + 10(n-1)\\\\a_n = 40 + 10n-10\\\\a_n = 10n + 30\\\\$

is the general nth term of this arithmetic sequence

Plug in n = 1 and you should get $a_1 = 40$

Plug in n = 2 and you should get $a_2 = 50$

and so on

6 0

4 years ago

Factor completely: x^3 - x^2 - 6x

PSYCHO15rus [73]

Answer:

$x(x-3)(x+2)$

Step-by-step explanation:

1. Find the GCF (Greatest Common Factor)

$GCF=x$

2. Factor out the GCF and simplify.

$x(x^{2} -x-6)$

3. Factor $x^{2} -x-6.$

Which two numbers add up to -1 and multiply to -6?

-3 and 2

Rewrite the expression using the numbers above.

$(x-3)(x+2)$

4. Done!

$x(x-3)(x+2)$

4 0

3 years ago