What is the range of the function?

Mathematics

1 answer:

STALIN [3.7K]2 years ago

5 0

Answer:

The function you didn't provide you mean?

Step-by-step explanation:

lm.ao

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Simplify completely quantity of x squared plus 7 x minus 30 all over quantity of x plus 10. x2 + 4 x2 ? 4 x ? 3 x + 3

GalinKa [24]

This looks like: $\frac{x^2+7x-30}{x+10}$

To solve this problem, you'll want to use the AC method to factor x^2+7x-30.

After factoring your expression will look like this:

$\frac{(x-3)(x+10)}{x+10}$

Cancel out the x+10 because they are common factors, so you are just left with the simple x-3.

Answer is:

x - 3

4 0

2 years ago

Read 2 more answers

To travel 105 miles, it takes Sue, riding a moped, 3 hours less time than it takes Doreen to travel 64 miles riding a bicycle. S

Volgvan

Let t=time Doreen travels; let r=rate of Doreen

RATE * TIME = DIST.
Sue | r+13 t-3 105
Doreen | r t 64

Now solve the system:
(r+13)(t-3)=105
r*t=64

 $r= \frac{64}{t} 
\\
\\(\frac{64}{t} +13)(t-3)=105 
\\
\\64- \frac{192} {t}+13t-39-105=0
\\
\\13t- \frac{192} {t}-80=0
\\
\\ 13t^2-80t-192=0
\\
\\t_{1,2}= \frac{80\pm \sqrt{(-80)^2-4\times13(-192)} }{2\times13}= \frac{80\pm128}{26} 
\\
\\t=\frac{80+128}{26} =8
\\
\\r=\frac{64}{t} =\frac{64}{8} =8$ 

Doreen: rate = 8 mph, time = 8 hours
Sue: rate = 21 mph, time = 5 hours

8 0

3 years ago

Olive has read 79 pages on her book. Which equation shows how many more pages she has to read?

shutvik [7]

Answer C t-79=r is the answer

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2 years ago

Which of the following are factors of x^4 – 16? Select all that apply.

nekit [7.7K]

<h2>Answer:</h2><h2>x^2+4 and X+2</h2>

Solution,

x^4-16