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pav-90 [236]
3 years ago
9

Plot the zeros of this function: f(x) = (x – 1)(x – 7).

Mathematics
1 answer:
vredina [299]3 years ago
5 0

Answer:

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Step-by-step explanation:

The zeros of a function is where the function crosses the x-axis. The x-intercepts are the zeros of a function.

f(x) = (x - 1)(x - 7)

Let output equal to 0.

0 = (x - 1)(x - 7)

Set factors equal to 0.

x-1=0\\x=1

x-7=0\\x=7

The zeros of the function are x=1 and x=7.

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Express the product ( 7 + 3 ) ( 7 − 3 ) ( 7 ​ + 3 ​ )( 7 ​ − 3 ​ ) in simplest form.
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Answer:

1600

Step-by-step explanation:

Solve Parenthesis

(10)(4)(10)(4)

Multiply.

10x4=40

40x10=400

400x4=1600

4 0
3 years ago
What is the lcm of 9 12?
Ray Of Light [21]
The LCM of 9 and 12 is 36.

I hope this helps, and have a good night and life! :D
8 0
4 years ago
One of the products produced by Branco Food Company is All-Bran Cereal, which competes with three other brands of similar all-br
Ksju [112]

The question is incomplete. The complete question is :

One of the products produced by Branco Food Company is All-Bran Cereal, which competes with three other brands of similar all-bran cereals. The company's research office wants to investigate if the percentage of people who consume all-bran cereal is the same for each of these four brands. Let us denote the four brands of cereal by A B C and D. A sample of 900 persons who consume all-bran cereal was taken, and they were asked which brand they most often consume. Of the respondents, 201 said they usually consume Brand A, 224 consume Brand B, 299 consume Brand C, and 176 consume Brand D. Does the sample provide enough evidence to reject the null hypothesis that the percentage of people who consume all-bran cereal is the same for all four brands? Use alpha = 0.025. Find the value of the test statistic x^2. x^2 = the tolerance is +/-2% Using alpha = 0.025, can you conclude that the current percentage distribution is different from the hypothesized one? We conclude that the current percentage distribution from the hypothesized one.

Solution :

          A      B      C      D               Total

$o_i$      201   224   299  176            900

$e_i$      225  225    225  225

$X^2 =\sum \frac{(o_i-e_i)^2}{e_i} = 37.5733$

$X^2 = 9.3484$

We reject $H_0$

$\alpha = 0.025$ level

$H_0: A = B=C=D\ \ \ (1/4)$

$H_a: A,B,C,D $  are not equal.

The distribution is multinomial hypothetical distribution.

4 0
3 years ago
Which of the following is the most appropriate unit.to describe the rate at which a person reads
BaLLatris [955]
The answer is a words per minute, because the independent quantity is the words
8 0
4 years ago
WILL GIVE BRAINLIEST IF YOUR RIGHT!!!!
Crazy boy [7]

Answer:

I.I

R.R

Step-by-step explanation:

R.R would be R.RRRR......

and I.I would be I.IIII...

5 0
3 years ago
Read 2 more answers
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