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3 years ago

8

Which statement is true regarding the graphed functions?

1 answer:

dangina [55]3 years ago

5 0

You need to translate each function statement into a point.

If f(0)=2, then (0,2) has to be on the graph of f. It's not, so that rules out option #1.

Do the same for the other statements to figure out which one correctly identifies a point on each graph.

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Find k if (x-3) is a factor of <img src="https://tex.z-dn.net/?f=%20k%5E%7B2%7D%20%20x%5E%7B2%7D%20-kx-2" id="TexFormula1" title

cluponka [151]

$w(x)=k^2x^2-kx-2\\\\(x-3)\ is\ a\ factor\ w(x)\ then\ w(3)=0.\\\\Substitute:\\\\k^2\cdot3^2-k\cdot3-2=0\\9k^2-3k-2=0\\9k^2-6k+3k-2=0\\3k(3k-2)+1(3k-2)=0\\(3k-2)(3k+1)=0\iff3k-2=0\ \vee\ 3k+1=0\\3k=2\ \vee\ 3k=-1\\\\\underline{\underline{k=\frac{2}{3}\ \vee\ k=-\frac{1}{3}}}$

4 0

3 years ago

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PLEASE HELP!!!! HELP HELP!

monitta

Answer: D: Half turn about the origin

5 0

3 years ago

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Graph the function. f ( x ) = 1 3 x 2 − 2 x + 8 f(x)= 3 1 x 2 −2x+8

Reika [66]

Answer:

Ok ill get back to you when I figure it out so see you in 5 minutes!

7 0

3 years ago

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The inequality 9/5C + 32 <-40 can be used to find Celsius temperatures that are less than -40 Fahrenheit. What is the solutio

Blababa [14]

The solution of inequality is C < -40

<em><u>Solution:</u></em>

Given that the inequality that is used to find the celsius temperature that are less than -40 fahrenheit

To find: solution of inequality

<em><u>Given inequality is:</u></em>

$\frac{9}{5}C + 32 < -40$

So we have to solve the above inequality for C

$\rightarrow \frac{9}{5}C + 32 < -40$

Add -32 on both sides

$\rightarrow \frac{9}{5}C + 32 -32 < -40 - 32\\\\\rightarrow \frac{9}{5}C < -72$

Multiply both the sides by $\frac{5}{9}$

$\rightarrow\frac{9}{5}C \times \frac{5}{9} < -72 \times \frac{5}{9}\\\\\rightarrow C < -8 \times 5\\\\\rightarrow C < -40$

Thus the solution of inequality is C < -40

3 0

4 years ago

(-26) + (+6) - (-67)do u guys know the answer?

Andrew [12]

Answer:

47

Step-by-step explanation:

Simplify the following:

-26 + 6 - -67

Hint: | Multiply -1 and -67 together.

-(-67) = 67:

-26 + 6 + 67

Hint: | Evaluate 6 + 67 using long addition.

| 1 |

| 6 | 7

+ | | 6

| 7 | 3:

73 - 26

Hint: | Subtract 26 from 73.

| 6 | 13

| 7 | 3

- | 2 | 6

| 4 | 7:

Answer: 47

5 0

4 years ago