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timama [110]
3 years ago
12

K(x)= -3x - 3; find k(-2)

Mathematics
1 answer:
Anastaziya [24]3 years ago
6 0

Answer:

\huge{k( - 2)} = 3

Step-by-step explanation:

K(x)= -3x - 3

To find the value of k substitute the value of k that's -2 into the original expression and solve for the value of k.

That's

k( - 2) =  - 3( - 2) - 3 \\  = 6 - 3 = 3

We have the final answer as

<h3>k(-2) = 3</h3>

Hope this helps you

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What is the domain of F(x) = In(x)?
jekas [21]

Answer as an inequality:  x > 0

Answer in interval notation:  (0, \infty)

Answer in words: Set of positive real numbers

All three represent the same idea, but in different forms.

======================================================

Explanation:

Any log is the inverse of an exponential equation. Consider a general base b such that f(x) = b^x. The inverse of this is f^{-1}(x) = \log_b(x)

For the exponential b^x, we cannot have b^x = 0. We can get closer to it, but we can't actually get there. The horizontal asymptote is y = 0.

Because of this, \log_b(x) has a vertical asymptote x = 0 (recall that x and y swap, so the asymptotes swap as well). This means we can get closer and closer to x = 0 from the positive side, but never reach x = 0 itself.

The domain of \log_b(x) is x > 0 which in interval notation would be (0, \infty). This is the interval from 0 to infinity, excluding both endpoints.

------------------------

The natural log function Ln(x) is a special type of log function where the base is b = e = 2.718 approximately.

So,

\log_e(x) = \text{Ln}(x)

allowing all of what was discussed in the previous section to apply to this Ln(x) function as well.

------------------------

In short, the domain is the set of positive real numbers. We can't have x be 0 or negative.

8 0
3 years ago
Select an expression that is equivalent to 36−−√9. 323 332 33 315
rusak2 [61]
Provided options are not clear.

But we know that 36 = 6² = (2·3)² = 2²·3²
7 0
3 years ago
मन्दिर को बारेमा अनुच्छेद लेख्नुहोस्।​
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Answer:मन्दिर एक भवन हो जुन मानिसहरु देवताहरु को पूजा वा अन्य धार्मिक प्रयोजनहरु को लागी प्रयोग गर्दछन्। धेरै प्राचीन धर्महरुमा पूजा घरहरु मन्दिरहरु भनिन्थ्यो। हिन्दू धर्म, बौद्ध धर्म, र धेरै अन्य धर्महरु आज मन्दिरहरु छन्। वास्तुकला, वा मन्दिरहरु को निर्माण शैली, ठाउँ बाट ठाउँ फरक हुन्छ।

mark me as brainliest if this helps to u

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Simplify:
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4 0
3 years ago
An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis
jeka94

For given problem:

Put midpoint of ellipse, (0,0) at epicenter of bridge at ground level.

Specified length of vertical major axis = 70=2a

a=35

a^2=1225

 

Equation of ellipse:

 

x^2/b^2+y^2=1

 

plug in coordinates of given point on ellipse(25, 10)

 

25^2/b^2 + 10^2/a^2 = 1

 

625/b^2 + 100/1225=1

 

625/b^2 = 1 - 100/ 1225 = .918

 

b^2 = 625/.918 ≈ 681

 

b ≈ 26.09

 

length of minor axis = 2b = 2(26.09) ≈ 52.16 ft

 

Span of bridge ≈ 52.16 ft

8 0
3 years ago
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