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kramer
3 years ago
5

If f(x)=5x-7 and g(x)√x-2 which statement is true?

Mathematics
1 answer:
nata0808 [166]3 years ago
8 0
If f ( x ) = 5 x - 7
f (  5 ) = 5 *  5  - 7 =  25 - 7 = 18
-  5 is in the domain
g ( 5 ) = √ ( 5 - 2 ) = √ ( - 3 )  ( this is an irrational number )
- 5 is not in the domain.
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HELP !!!!! HELP !! NEED HELP!! ARITHMETIC SEQUENCE
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Answer:

the answer for th

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4 0
3 years ago
Rationalise the denominator of: -7/(√11 - √5)​
tatuchka [14]
-7(sqrt(11)+sqrt(5))/6


Mark brainliest please



Hope this helps
3 0
2 years ago
Read 2 more answers
Find an equation for the line that passes through the points (-4, -1) and (6, 3)
skad [1K]

Answer:

y=2/5x+3/5

Step-by-step explanation:

Use the slope formula to get the slope:

m=4/10

m=2/5

The y intercept is 3/5

The equation is y=2/5x+3/5

3 0
3 years ago
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3) Valerie works at a local amusement park. She earns $9.80 per hour. She 20 points
NemiM [27]
<h3>Answer:  Choice A</h3><h3>9.80h+10 = 88.40</h3>

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

Work Shown:

  • h = number of hours worked.
  • 9.80h = amount of money earned after working h number of hours (ignoring the meal bonus).
  • 9.80h+10 = total amount of money earned after adding on the meal bonus.
  • 9.80h+10 = 88.40 is the equation we use since the total 9.80h+10 is the same as the total she earned 88.40 dollars.

--------------------

Extra info (optional section)

If you want to solve for h, then you could follow these steps.

9.80h+10 = 88.40

9.80h = 88.40-10 ... subtract 10 from both sides

9.80h = 78.40

h = 78.40/9.80 .... divide both sides by 9.80

h = 8

Valerie worked 8 hours on Friday.

As a check,

9.80h + 10 = 88.40

9.80*8 + 10 = 88.40

78.40 + 10 = 88.40

88.40 = 88.40

The answer is confirmed.

3 0
3 years ago
"find values of a and b that make the statement |a+b|=|a| + |b| false"
kotegsom [21]
Just choose any combination so that a is negative and b is positive, and vice versa. For example, if a = 3 and b = -6, |3-6| ≠ |3| + |-6|.
This is because |-3| = 3, and |3|+|-6| = 3+6 = 9.
3≠9.
6 0
3 years ago
Read 2 more answers
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