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3 years ago

Which expression is undefined? O A. 0: 100 O B. (9–9) 2 O c. = O D. (-3)

Mathematics

1 answer:

Zina [86]3 years ago

4 0

Answer:

Step-by-step explanation:

8. sint=−1,cost=0,tant=Undefinedsect

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Which relation is a function?

zimovet [89]

Answer:

Step-by-step explanation:

A relation is a set of related points. A function is a set of related points where no inputs repeat.

A. {(1, 2), (2, 3), (3, 2), (2, 1)}

This repeats (2,3) and (2,1). Not a function.

B. {(4, 2), (3, 3), (2, 4), (3, 2)}

This repeats (3,3) and (3,2). Not a function.

C. {(1, −1), (−2, 2), (−1, 2), (1, −2)}

This repeats (1,-1) and (1,-2). Not a function.

D. {(1, 4), (2, 3), (3, 2), (4, 1)}

This doe NOT repeat. Function.

6 0

3 years ago

What is 80+x=200<br><br> also, meet my friend group

dedylja [7]

$\huge\text{Hey there!}$

$\huge\textsf{80 + x = 200}$

$\huge\textsf{x + 80 = 200}$

$\huge\text{SUBTRACT 80 to BOTH SIDES}$

$\huge\textsf{x + 80 - 80 = 200 - 80}$

$\huge\text{CANCEL out: 80 - 80 because that gives you 1}$

$\huge\text{KEEP: 200 - 80 because that helps for x}$

$\huge\textsf{x = 200 - 80}$

$\huge\textsf{200 - 80 = x}$

$\huge\textsf{x = 120}$

$\boxed{\boxed{\huge\textsf{Therefore, your answer x = \bf 120}}}\huge\checkmark$

$\huge\text{Good luck on your assignment \& enjoy your day!}$

~ $\huge\text{Amphitrite1040:)}$

7 0

3 years ago

Read 2 more answers

Equation<br> slope (m) =<br> y-intercept =_4

Nady [450]

Answer:

x = m+-4

Step-by-step explanation:

We are trying to figure out the slope and the slope equals m, Then we have the y-intercept which that equals -4

3 0

3 years ago

According to the Rational Root Theorem, which function has the same set of potential rational roots as the function g(x) = 3x5 –

SVETLANKA909090 [29]

We have to identify the function which has the same set of potential rational roots as the function $g(x)= 3x^5-2x^4+9x^3-x^2+12$ .

Firstly, we will find the rational roots of the given function.

Let 'p' be the factors of 12

So, p= $\pm 1, \pm 2, \pm 3, \pm 4, \pm 6$

Let 'q' be the factors of 3

So, q= $\pm 1, \pm 3$

So, the rational roots are given by $\frac{p}{q}$ which are as:

$\pm 1, \pm 2, \pm 3, \pm 4, \pm 6, \pm \frac{1}{3}, \pm \frac{2}{3}, \pm \frac{4}{3}$ .

Consider the first function given in part A.

f(x) = $3x^5-2x^4-9x^3+x^2-12$

Here also, Let 'p' be the factors of 12

So, p= $\pm 1, \pm 2, \pm 3, \pm 4, \pm 6$

Let 'q' be the factors of 3

So, q= $\pm 1, \pm 3$

So, the rational roots are given by $\frac{p}{q}$ which are as:

$\pm 1, \pm 2, \pm 3, \pm 4, \pm 6, \pm \frac{1}{3}, \pm \frac{2}{3}, \pm \frac{4}{3}$ .

Therefore, this equation has same rational roots of the given function.

Option A is the correct answer.

4 0

3 years ago

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Which number line represents the solution set for the inequality

Bess [88]

Answer:

x >= -8

multiply by 2

-X <= 8

divide by -1

X >=-8 (remember flip sign if multiply by negative)

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers