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zepelin [54]
3 years ago
9

Evaluate f(x) = X(With an exponent of 2) -3x +2, given f(x + 1).

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

f(x + 1) = x² - x

Step-by-step explanation:

f(x) = x² - 3x + 2 when f(x + 1)

f(x + 1) = (x + 1)² - 3(x + 1) + 2

f(x + 1) = (x² + 2x + 1) + (-3x - 3) + 2

f(x + 1) = x² - x + 0

f(x + 1) = x² - x

Best of Luck!

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5 0
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How many triangles and quadrilaterals altogether can be formed using the vertices of a 7-sided regular polygon?
MAVERICK [17]

Answer:  The correct option is

(E) 70.

Step-by-step explanation:  We are given to find the number of  triangles and quadrilaterals altogether that can be formed using the vertices of a 7-sided regular polygon.

To form a triangle, we need any 3 vertices of the 7-sided regular polygon. So, the number of triangles that can be formed is

n_t=^7C_3=\dfrac{7!}{3!(7-3)!}=\dfrac{7\times6\times5\times4!}{3\times2\times1\times4!}=35.

Also, to form a quadrilateral, we need any 4 vertices of the 7-sided regular polygon. So, the number of quadrilateral that can be formed is

n_q=^7C_4=\dfrac{7!}{4!(7-4)!}=\dfrac{7\times6\times5\times4!}{4!\times3\times2\times1}=35.

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8 0
3 years ago
What is the mode of the list of numbers below? Choose ALL answers that are correct. 6, 1, 5, 2, 6, 5, 2, 6, 5
sertanlavr [38]
Rearrange the numbers in order from least to greatest:

<span>6, 1, 5, 2, 6, 5, 2, 6, 5

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alexdok [17]

Answer:

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Step-by-step explanation:

We are given the following in the question:

Manager's claim: The mean guest bill for a weekend is $600 or less.

A member of the hotel’s accounting staff noticed that the total charges for guest bills have been increasing in recent months.

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We design the null and alternate hypothesis in the following manner:

H_{0}: \mu \leq 600\text{ dollars}\\H_A: \mu > 600\text{ dollars}

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Conclusion when null hypothesis can be rejected:

When the null hypothesis is rejected, we accept the alternate hypothesis.

Thus, there are not sufficient evidence to support the manager's claim  that the mean guest bill for a weekend is $600 or less.

5 0
3 years ago
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