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a_sh-v [17]
3 years ago
8

Let f(x) = x 7 and g(x) = x − 4. find f(x) ⋅ g(x).

Mathematics
2 answers:
scoundrel [369]3 years ago
5 0

Answer:

x^2+3x-28

Step-by-step explanation:

(x+7)(x-4) multiply the parentheses

x^2-4x+7x-28 combine like terms

x^2+3x-28

nikklg [1K]3 years ago
4 0
F(x) = x⁷

g(x) = x - 4

f(x).g(x) = <span>x⁷*(x - 4) = x</span>⁸ - 4x⁷
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How to solve for 6x-12+2x=3+8x-15
Alecsey [184]
6x−12+2x=3+8x−15

Simplify:

6x+−12+2x=3+8x+−15

(6x+2x)+(−12)=(8x)+(3+−15)(Combine Like Terms)

8x+−12=8x+−12


8x−12=8x−12

Subtract 8x from both sides.

8x−12−8x=8x−12−8x

−12=−12

Add 12 to both sides.

−12+12=−12+12

0=0

The real numbers are the only solution we can have.


4 0
3 years ago
What is the value of each expression?<br> 7/8 + 4/8 : <br> 17/25 - 9/25 : <br> 63/46 - 81/46 :
iragen [17]

Answer: 7/8 + 4/8 = Exact form- 11/8

                                   Decimal form- 1.375

               17/25 - 9/25 = Exact form- 8/25

                                       Decimal form- 0.32

                63/46 - 81/46 = Exact form- -9/23

Step-by-step explanation: Hope this helped.

5 0
3 years ago
8 and 1/4 + 3 and 5/6
k0ka [10]

Answer:

12 1/12

Step-by-step explanation: so, we have to make the bottom number the same as eachother or we will not be able to add effectively. So the first number that both 4 and 6 go into is 12, as you can see if we count by the numbers to get to the answer

4,8,12

6,12

So, now that we have that part figured out we would then have to multiply the top the same amount as we multiplied the bottom. So 1/4x3 and 5/6x2

So we would multiply both the top and the bottom the same amount.

1/4x3=3/12

5/6x2=10/12

So now that we have that figured out everything else is pretty straight forward.

We would add the whole numbers with eachother and the fractions with eachother.

8+3=11

3/12+10/12=13/12


so we can see that it would equal, 11 and 13/12 or 12 and 1/12

8 0
2 years ago
PLEASE HELP ASAP ILL GIVE BRAINLIST TO THE CORRECT ANSWER!!
Marta_Voda [28]

Answer:

D

Step-by-step explanation:

she refuses to pay because the owners of the place shes living is supposed to fix damage and they have not done so she refuses to pay the rent.

8 0
3 years ago
√72 what is the non-perfect simplefied square root radical
Lostsunrise [7]

For simplifying radicals, remember the product rule of radicals: √ab = √a x √b . This radical is simplified as such:

√72 = √9 x √8 = 3 x √4 x √2 = 3 x 2 x √2 = 6√2

In short, the simplified radical of √72 is 6√2.

5 0
3 years ago
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