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Naily [24]
2 years ago
11

I want help in my ALEKS homework .. :)

Mathematics
1 answer:
bija089 [108]2 years ago
7 0
Y^2+9y+20=0
(y+4)(y+5)=0
y = -4,-5
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Find the domain and range of y=-5x-1
harina [27]

Answer:

  • \mathrm{Domain\:of\:}\:-5x-1\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

  • \mathrm{Range\:of\:}-5x-1:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

Step-by-step explanation:

Finding the domain:

The domain of a function is the set of possible input values for which the function is real and defined.

Given the function

y=-5x-1

The function has no undefined points nor domain constraints. Hence, the domain is

-\infty \:

i.e.

\mathrm{Domain\:of\:}\:-5x-1\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

Finding the range:

The range of a function is the set of possible output values (dependent variable y values) for which a function is defined.

The range of polynomials with odd degree is all the real numbers.

Hence, the domain is

-\infty \:

i.e.

\mathrm{Range\:of\:}-5x-1:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

5 0
3 years ago
F(x) = x(2x/2)/x(x+5)(x+6)^2 <br><br> Find the vertical asymptotes?
Alex Ar [27]

Answer:

  x = -5, x = -6

Step-by-step explanation:

After canceling common terms from numerator and denominator, there are two factors remaining in the denominator that can become zero. The vertical asymptotes are at those values of x.

\displaystyle F(x)=\frac{x\frac{2x}{2}}{x(x+5)(x+6)}=\frac{x}{(x+5)(x+6)}

The denominator will be zero when ...

  x + 5 = 0 . . . . at x = -5

  x + 6 = 0 . . . . at x = -6

7 0
3 years ago
Evaluate.<br><br> 4^3−4÷2⋅5<br><br><br> 20<br><br> 40<br><br> 54<br><br> 150
nika2105 [10]

Answer:

150

Step-by-step explanation:

1. 4^3 = 4 x 4 x 4 = 16 x 4 = 64

2. 64 - 4 = 60

3. 60 ÷ 2 = 30

4. 30 ⋅ 5 = 150

3 0
2 years ago
At Greens Supermarket, Lulu wrote a check for $189.94 to buy groceries. Afterward, she deposited $122.50 (money that she receive
r-ruslan [8.4K]

Answer:

$67.44

Hope it helps ;)

4 0
3 years ago
Solve for b in the formula C = AB + D
Travka [436]

Answer:

B = C - D / A

Step-by-step explanation:

C = AB + D

subtract D

C - D = AB

Divide by A

B = C - D / A

C and D are both divided by A

8 0
3 years ago
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