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3 years ago

Please help me with question 5!!!!!!!!!

Mathematics

2 answers:

Vladimir [108]3 years ago

7 0

X: -2 -1 0 1 2
y: 2* 3* 4* 5* 6*

x: -2 -1 0 1 2
y: -3* -1* 1* 3* 5*

allsm [11]3 years ago

6 0

Answer:

a)2,3,4,5,6

b)-3,-1,1,3,5

Step-by-step explanation:

a) y(-2)=-2+4=2

y(-1)=-1+4=3

y(0)=0+4=4

y(1)=1+4=5

y(2)=2+4=6

b)y=2x+1

y(-2)=2*(-2)+1=-3

y(-1)=2*(-1)+1=-1

y(0)=2*0+1=1

y(1)=2*1+1=3

y(2)=2*2+1=5

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3 years ago

Show that 4x - x? – 7 is always negative. Help

Verizon [17]

Question No 7

Answer:

Please check the explanation.

Step-by-step explanation:

Show that 4x - x² - 7 is always negative.

Given

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Hence, 4x - x² - 7 is always negative

For example,

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$4(1)-1^{2} -7\\=4-1-7\\=4-8\\=-4$

let suppose we enter x = -1

$4(-1)-(-1)^{2} - 7\\= -4 - 1 - 7\\= -12$

6 0

3 years ago

Can u guys help plz

solong [7]

I think the answers are Number 1 -2. Number 2. is 2. Number 3. is 4. Number. 4 is 6. And number 5. is 12. I hope this helps :)

4 0

3 years ago

Express the complex number in trigonometric form. (1 point) -3i

maxonik [38]

The complex number is
-3i
There is no real number
a = 0
b = -3
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√(0² + (-3)²) = 3

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3 years ago

2 and 3/5 minus 1 and3/8

mamaluj [8]

2 3/5 -1 3/8

= 13/5 -11/8

= 49/40

or decimal = 1.225

I hope that's help !

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3 years ago