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Alina [70]
3 years ago
5

What is 0.94 rounded to the nearest tenth

Mathematics
2 answers:
9966 [12]3 years ago
7 0
.90
Anything under 4 is rounded to the lowest number. anything over 5 is rounded to highest. In this case it is 1.00
leonid [27]3 years ago
3 0
The answer to that is .9 because 4 or less, you go back down. And five or more, you go up. So you would go down which would be .90 which is the same as .9
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Find the intervals on which the function is increasing or decreasing.
Assoli18 [71]
To solve this, you have to know that the first derivative of a function is its slope. When an interval is increasing, it has a positive slope. Thus, we are trying to solve for when the first derivative of a function is positive/negative.

f(x)=2x^3+6x^2-18x+2
f'(x)=6x^2+12x-18
f'(x)=6(x^2+2x-3)
f'(x)=6(x+3)(x-1)
So the zeroes of f'(x) are at x=1, x=-3
Because there is no multiplicity, when the function passes a zero, he y value is changing signs.
Since f'(0)=-18, intervals -3<x<1 is decreasing(because -3<0<1)
Thus, every other portion of the graph is increasing.
Therefore, you get:

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6 0
3 years ago
Find the domain of the following expression 15 - √(x+2)
ipn [44]

Answer:

[-2, ∞]

Step-by-step explanation:

15 - √(x+2)

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x+2 ≥ 0 ⇒ x ≥ -2

6 0
2 years ago
trufant is yoleni's older brother. the sum of their ages is 47. the difference of their ages is 9. how old are trufant and yosle
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5 0
3 years ago
Carle is cutting pieces of string that are exactly 24 3/8 inches long. How many pieces can she cut from a ball of string that ha
iris [78.8K]
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Read 2 more answers
Which expression is equivalent to (sqrt3 + i)^3?
Anarel [89]

Express √3 + i in polar form:

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Then

√3 + i = 2 (cos(π/6) + i sin(π/6))

By DeMoivre's theorem,

(√3 + i)³ = (2 (cos(π/6) + i sin(π/6)))³

… = 2³ (cos(3 • π/6) + i sin(3 • π/6))

… = 8 (cos(π/2) + i sin(π/2))

… = 8i

4 0
2 years ago
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