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3 years ago

What is the domain of the function ? Pls help ASAPPPP 35 points!!

Mathematics

1 answer:

Nitella [24]3 years ago

8 0

Answer:

[ 1 , ∞ )

Step-by-step explanation:

Find the domain by finding where the expression is defined.

Here it is in set-builder notation as well: { x | x ≥ 1 }

Glad I could help!!

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The curve y= (k+2)x^2 meets the line y=(k+3)x +3. Find the range of possible values of k.

Greeley [361]

$(k+2)x^2=(k+3)x+3\\
(k+2)x^2-(k+3)x-3=0\\
\Delta\geq0 \wedge k\not=-2\\
\Delta=(-(k-3))^2-4\cdot(k+2)\cdot(-3)\\
\Delta=(-k+3)^2+12k+24\\
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\Delta=k^2+6k+33\\
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3 years ago

A line passes through points (2,5) and (5, 14). What is the slope of this line?

topjm [15]

We know that:

Slope of a line = change in y coordinate / change in x coordinate

We are given:

First point = (2,5)

Second point = (5, 14)

Calculating the change in y coordinate:

change in y (also represented by Δy) = second y - first y

Δy = 14 - 5

Δy = 9

Calculating the change in x coordinate:

Δx = second x - first x

Δx = 5 - 2

Δx = 3

Slope of the line:

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Slope = 9 / 3 [replacing the values]

Slope = 3

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3 years ago

Which is equivalent to 80^1/4x

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Answer:

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x = 10

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b = 0

Step-by-step explanation:

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Answer:

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I hope this helps

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