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Readme [11.4K]
4 years ago
12

What is the domain of the function

Mathematics
1 answer:
valentina_108 [34]4 years ago
7 0

Answer:

i think its C....

Step-by-step explanation:

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Factor<br>2x² - X - 15<br>is the answer- (2x+5)(2x-3)?​
Lesechka [4]
No
Step 1:
2x^2 -6x + 5x -15

Step 2:
2x(x-3) + 5(x-3)

Step 3:
(2x+5)(x-3)
4 0
3 years ago
Read 2 more answers
Mae Ling earns a weekly salary of $315 plus a 5.5% commission on sales at a gift shop. How much would she make in a work week if
Alecsey [184]

She would make $573.5 in a work if she sold $4,700 worth of merchandise

Step-by-step explanation:

The given is:

  • Mae Ling earns a weekly salary of $315 plus a 5.5% commission on sales at a gift shop
  • She sold by $4,700

We need to find how much she would make in a work week

∵ Mae Ling earns a weekly salary of $315

∵ She earns a 5.5% commission on sales

∵ She sold by $4,700 in that week

- Add $315 to the product of 5.5% and $4,700

∴ She made = 315 + (5.5% × 4,700)

∵ 5.5% = 5.5 ÷ 100 = 0.055

∴ She made = 315 + (0.055 × 4,700)

∴ She made = 315 + 258.5

∴ She made = 573.5

She would make $573.5 in a work if she sold $4,700 worth of merchandise

Learn more:

You can learn more about word problem in brainly.com/question/3950386

#LearnwithBrainly

8 0
3 years ago
8. Mason bought a pair of running shoes for $36.98. If the sales tax is 6.5%, how much
serg [7]

Answer:

$39.38

Step-by-step explanation:

$36.98 * 6.5%= 2.4037

2.4037 + 36.98= 39. 3837

round up

$39.38

6 0
3 years ago
Simplify (7x) - (-2x).<br> O 5x<br> 0 -5x<br> O 9x<br> 0-9x<br> NEXT QUESTION<br> 2<br> ASK FOR UEL
marysya [2.9K]

Answer:

9x

Step-by-step explanation:

Since you are subtracting a negative from a positive you would get 9

3 0
4 years ago
Help help needed for composition of function
dimulka [17.4K]

Answer:

\circledast \ \ f\circ f\left( x\right) = x

\circledast \ \ g\circ g\left( x\right)  =4x - 21

Step-by-step explanation:

f(x)=\frac{5}{2x}

g(x) = 2x - 7

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

f\circ f\left( x\right)  =\frac{5}{2\left( f\left( x\right)  \right)  }

             =\frac{5}{2\left( \frac{5}{2x}  \right)  }

             =\frac{5}{\left( \frac{5}{x}  \right)  }

             =5\times\frac{x}{5}

             =x

_____________

g\circ g\left( x\right)  =2(g(x)) - 7

            = 2(2x - 7) - 7

           = 4x - 14 - 7

           = 4x - 23

3 0
2 years ago
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