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kogti [31]
3 years ago
9

Identify the domain of the function shown in the graph

Mathematics
1 answer:
enot [183]3 years ago
3 0
Your answer is going to be c
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BRAINLIEST AWARD WILL BE GIVEN! PLEASE HELP WITH MATH IVE BEEN ASKING FOR HOURS! PLEASE ANYONE!!!
harina [27]
1. (x^2+1)*(x^3+2*x)*(x^2-64)
=(x^2+1)*x*(x^2+2)*(x+8)(x-8)
Solving for each factor in turn, for example, 
x^2+1=0 => x^2=-1 => x=+i, x=-i
x=0 => x=0
x^2+2=0 => x^2=2 => x=+sqrt(2)i, -sqrt(2)i
x+8=0 => x=-8
x-8=0 => x=+8
we have solution set
S, whereS={+i, -i, 0, +sqrt(2)i, -sqrt(2)i, -8, +8)

2. A.
x^4-81=0 => x^4=81 => x^2=+9 or x^2=-9
x^2=+9  => x=+3, -3
x^2=-9  => x=+3i, -3i
S={+3i, -3i, +3, -3}

B.
x^4+10x^2+25=0 => (x^2+5)^2=0 => ± (x^2+5)=0 => x^2=-5
=> x=+sqrt(5)i (multiplicity 2 and x=-sqrt(5)i (multiplicity 2)
S={+sqrt(5)i (multiplicity 2) -sqrt(5)i (multiplicity 2)}

C.
x^4-x^2-6=0 => (x^2-3)(x^2+2)=0 => x^2=3 or x^2=-2
S={+sqrt(2)i,-sqrt(2)i, +sqrt(3), -sqrt(3) }

3.
x^4+3x^2-4=0 = (x^2-1)(x^2+4) => x^2=1 or x^2=-4
S={+2i, -2i, +1, -1}
3 0
3 years ago
Prove that x+1 is a factor of x^n+1 where n is an odd positive integer.​
egoroff_w [7]

Answer:

because x^n+1 =

the number which is n and n is an odd number and my odd number is 3 so

x^3+1= 4

= x^4

7 0
3 years ago
I really need help with this TvT
motikmotik

Answer:

1. Wind is the horizontal movement of air. All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion, Convection currents on a large scale cause global winds; convection currents on a small scale cause local winds.

2. Local winds blow between small low and high pressure systems. Local winds blow over a very limited area, while large scale winds blow over very unlimited area.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
How do you work this problem 2.5÷ 4
lord [1]

Using a calculator can help. You get 0.625, or 5/8.

8 0
3 years ago
If the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of a? ​
Harman [31]

Answer:

......................................,........

8 0
3 years ago
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