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Over [174]
3 years ago
6

Classify the expression: 5x + 3x^2 − 7x^3 + 2

Mathematics
2 answers:
bonufazy [111]3 years ago
7 0

Answer:

C. Cubic Expression.

Step-by-step explanation:

5x + 3x^2 - 7x^3 + 2

= 3x^2 - 7x^3 + 5x + 2

= -7x^3 + 3x^2 + 5x + 2

The highest value of exponent in the equation is 3.

For a linear expression, the highest exponent is 1.

For a quadratic expression, the highest exponent is 2.

For a cubic expression, the highest exponent is 3.

For a quartic expression, the highest exponent is 4.

So, this is C. Cubic Expression.

Hope this helps!

AysviL [449]3 years ago
3 0

Answer:

C. Cubic expression.

Step-by-step explanation:

The highest exponent is 3 ( in the term 7x^3) so it is cubic.

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Find and simplify the difference quotient f(x + 1) – f(x) for the following function.
ra1l [238]

In your situation you said that

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Putting those together, you'd have f(x) =  b because 0\cdot x+b=b.

To evaluate the difference quotient, first find each piece on it's own:

  • f(x+1) = b because f(x) = b no matter what your x-value is.
  • f(x) = b

So putting those together:

     f(x+1) - f(x) = b-b = 0

Remember that the difference quotient is basically finding the slope of something.  Since you were given that the slope is 0, the difference quotient should work out to match that.

3 0
3 years ago
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if the machine can process 600 pretzels 15 minutes how long must the machine run in order to make 3120​
kati45 [8]
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step by step explanation:

first: divide 600 and 15

answer to 600/15: 40

second: divide 3120 and 40

final answer: 78
5 0
3 years ago
Express the ratio 4:7 in the form n:1
Snowcat [4.5K]

Answer:

11:1

Step-by-step explanation:

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In ΔMNO, the measure of ∠O=90°, the measure of ∠M=64°, and NO = 70 feet. Find the length of MN to the nearest tenth of a foot.
olga_2 [115]

Answer:

in triangle MNO

relationship between perpendicular and hypotenuse is given by sin angle

sin64°=p/h=70/x

x=70/sin64°=77.88foot

length of MN to the nearest tenth of a foot.

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Need help ASAP thankyou sorry if u can’t see the picture but u can zoom in :)
Andrej [43]

Answer:

a)Volume 390ft3. Surface area 450ft2

b)surface area

c)volume

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