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STALIN [3.7K]
3 years ago
5

To fill out a sign chart, you will need to use test numbers before and after each of the function's zeros and ___

Mathematics
1 answer:
Vikki [24]3 years ago
7 0

Answer:

C. asymptotes

Step-by-step explanation:

In the figure attached, a sign chart is shown. To fill it out you need to find the function's zeros and asymptotes. The zeros are those x values that makes the function equal to zero, in the example, those are the x values that make the denominator equal to zero (x = -1 and x = 5). In a rational function, the asymptotes are those x values that make the numerator equal to zero (x = -9 in the example)

Function in the example:

\frac{(-2x-2)(2x-10)}{-9x-81}

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Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.
puteri [66]

Answer:

15x+25 ; 70

Step-by-step explanation:

Given that,

Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.

Here, $25 is constant and $15 increases as the number of hour increase. For x hours, the cost for Fernando to clean a pool is given by :

y = 15x+25

For 3 hours,

y = 15(3)+25

= 45 + 25

= 70

So, the required option is (c) " 15x+25 ; 70 ".

5 0
3 years ago
The difference between two numbers is 14. if 1/3 of the larger number is subtracted from the smaller number ,the result equals 1
otez555 [7]

Answer:

Step-by-step explanation:

x-y=14

x-1/3y=1/10

-y=14-x

y=-14+x

take out the factors

x-10/30y=3/30

30x-10y=3

substitute

30x-10(-14+x)=3

30x+140-10x=3-140

20x/20=-137/20

x=-6.85

y=-14+(-6.85)

y=-20.85

7 0
3 years ago
You have botles of water how many can you buy with a 20$ and a bottle is 1.25​
igomit [66]

Answer:

16 bottles

Step-by-step explanation:

you can buy 16 bottles

7 0
3 years ago
What to the fourth power equals 0.0625?
d1i1m1o1n [39]
0.5 to the fourth power equals 0.0625.
6 0
3 years ago
Hey can you please help me posted picture of question
Ira Lisetskai [31]
Answer:
40x² + 65x + 25

Explanation:
We will just multiply each term from the first bracket by each term from the second and then combine like terms to get the final expression.

This would be done as follows:
(5x + 5)(8x + 5)
5x(8x) + 5x(5) + 5(8x) + 5(5)
40x² + 25x + 40x + 25
40x² + 65x + 25

Hope this helps :)
6 0
3 years ago
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