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mrs_skeptik [129]
3 years ago
12

Expand and simplify (x-3)(x+5)

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
7 0

Answer:

^2 + 2x-15

Hope this helps

elixir [45]3 years ago
5 0
How to solve your problem
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3
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(

+
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)
Simplify
1
Distribute
(

−
3
)
(

+
5
)

(

+
5
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−
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How are the ordered pairs (4,9) and (4, -9) similar, and how are they different? Are the two points related by a reflection over
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(4,9) is in quarter I and (4,-9) is in quarter IV of the graph. (4,-9) is the point (4,9) reflected over the x-axis. they are similar bc both have 4 as their x coordinate.

Step-by-step explanation:

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Determine any asymptotes (Horizontal, vertical or oblique). Find holes, intercepts and state it's domain.
vesna_86 [32]

Factorize the denominator:

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If x\neq\pm2, we can cancel the factors of x^2-4, which makes x=-2 and x=2 removable discontinuities that appear as holes in the plot of g(x).

We're then left with

\dfrac1{x+1}

which is undefined when x=-1, so this is the site of a vertical asymptote.

As x gets arbitrarily large in magnitude, we find

\displaystyle\lim_{x\to-\infty}g(x)=\lim_{x\to+\infty}g(x)=0

since the degree of the denominator (3) is greater than the degree of the numerator (2). So y=0 is a horizontal asymptote.

Intercepts occur where g(x)=0 (x-intercepts) and the value of g(x) when x=0 (y-intercept). There are no x-intercepts because \dfrac1{x+1} is never 0. On the other hand,

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so there is one y-intercept at (0, 1).

The domain of g(x) is the set of values that x can take on for which g(x) exists. We've already shown that x can't be -2, 2, or -1, so the domain is the set

\{x\in\mathbb R\mid x\neq-2,x\neq-1,x\neq2\}

8 0
3 years ago
If the sum of a number and three is doubled?, the result is seven less than the number. Find the number
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4(x+4) + 2x = 52 need answer
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Answer:

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Step-by-step explanation:

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