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SashulF [63]
3 years ago
15

Hi I really need help with this please help! f(x)=x³-9x

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0

Answer:

-8 to 162

170/5 =34 is the average rate of change

factor ???

x(x^2 -9)=

x(x+3)(x-3)

Step-by-step explanation:

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Y-intercept: (0,<br> y=-2x2 – 16x – 34<br> What is the y intercept?
tekilochka [14]

Answer: Solve for Y

y = -16x - 38

And then y intercept is

(0, -38)

Step-by-step explanation:

8 0
1 year ago
Read 2 more answers
Exercise questions
balu736 [363]

Answer:

2.

a)1

b)1

c)1

Step-by-step explanation:

There's some identity trigonometric equation, which are valid for all angles,and they doesn't depends on the measure of angle!

some of em are follows:. (x is the given angle)

  • sin(x)^2+cos(x)^2=1
  • cosec(x)^2=1+cot(x)^2
  • sec(x)^2=1+tan(x)^2

You can remember these identity, its gonna help alot.

now back to question,. {x is representing angles)

for (a) sin(x)^2+cos(x)^2=1, this is true for all x, dat means that for all the angle given in question(for ,15°,30°,45°,60° and 120°),we will get 1

for(b) ,

cosec(x)^2=1+cot(x)^2

i.e, cosec(x)^2-cot(x)^2=1, again this is true for all x dat means that for all the angle given in question ,we will get 1

for (c),

sec(x)^2=1+tan(x)^2

i.e,sec(x)^2-tan(x)^2=1,again this is true for all x, dat means that for all the angle given in question ,we will get 1

✌️:)

3 0
2 years ago
Yi Min is a pitcher on her softball team. This season,
almond37 [142]

Answer:

48

Step-by-step explanation:

0.8 times 60= 48

4 0
3 years ago
Factor x2-3x - 28
AVprozaik [17]

Answer:

x equal to -4 or 7

Step-by-step explanation:

x square - 3 x - 28 equals 0 so for me are you now find factors of 28 that and you add you add or multiply those two factors to get those two factors to give you 28 so now so you know Factor ways to get (open x + 4) Close x (open x - 7) close equal to zero your ex number comes -4 or 7

5 0
3 years ago
A rectangular garden has side lengths of 12 feet and (x+10) feet. The garden has an area of 480 square feet. Write an equation a
Eddi Din [679]

Answer:

Step-by-step explanation:

12+x+10=480

22+x=480

x=458

2(12)+2(x+10)=480

24+2x+20=480

44+2x=480

2x=436

x=218

7 0
2 years ago
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