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3241004551 [841]
3 years ago
5

Is -8.43 a integer whole number or a rational number ?

Mathematics
1 answer:
s2008m [1.1K]3 years ago
5 0

Answer:

rational number

Step-by-step explanation:

A whole number would be just 8. Nothing behind it.

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Greetings. As a beginner, I'm struggling a bit to learn calculus. May I know what is the derivative of x to the power 4 step by
elena-14-01-66 [18.8K]

If you're just starting calculus, perhaps you're asking about using the definition of the derivative to differentiate x^4.

We have

\dfrac{d}{dx} x^4 = \displaystyle \lim_{h\to0} \frac{(x+h)^4 - x^4}h

Expand the numerator using the binomial theorem, then simplify and compute the limit.

\dfrac{d}{dx} x^4 = \displaystyle \lim_{h\to0} \frac{(x^4+4hx^3 + 6h^2x^2 + 4h^3x + h^4) - x^4}h \\\\ ~~~~~~~~ = \lim_{h\to0} \frac{4hx^3 + 6h^2x^2 + 4h^3x + h^4}h \\\\ ~~~~~~~~ = \lim_{h\to0} (4x^3 + 6hx^2 + 4h^2x + h^3) = \boxed{4x^3}

In general, the derivative of a power function f(x) = x^n is \frac{df}{dx} = nx^{n-1}. (This is the aptly-named "power rule" for differentiation.)

3 0
2 years ago
4.5 is 7.5% of what number?
Crank

Answer:

60

Step-by-step explanation:

3 0
3 years ago
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What are the equations of the lines with the given slope and y-intercept
Stella [2.4K]

Answer:

1. y=2x-3

2. y=4x-2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A premature infant is gaining 2.5 ounces a day. At that rate, how many days will it take for him to gain 8 ounces
Ann [662]

Answer:

3.2 days

Step-by-step explanation:

All you have to do is divide 8 by 2.5

8 ÷ 2.5 = 3.2

5 0
3 years ago
Can y’all solve all of this please I WILL GIVE MASSIVE POUNTS I REALLY NEEDS HELP WITH THIS THAMK YOU.
jekas [21]

Answer:

okay I will just give the answers 3- 240, 4-69,000 5-42 6-4.80 7- 15 8-115

Step-by-step explanation:

3 0
3 years ago
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