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Ede4ka [16]
3 years ago
8

Please help I need both company A and B!!!!

Mathematics
2 answers:
WARRIOR [948]3 years ago
7 0

Answer:

Company A: 40x + 50

Company B: 50x +25

Step-by-step explanation:

Company A's Fee is 50 dollars and there charge per hour (x) is 40, so since we don't know how many hours we substitute it for the variable x. Same explanation for Company B but with its data.

alexandr402 [8]3 years ago
5 0

This one was  a little tricky when i did it but heres your answer

Answer: do 40x + 50

and  50x + 25

Step-by-step explanation:

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The function f(x) = x3 – 8x2 + x + 42 has zeros located at 7, –2, 3. Verify the zeros of f(x) and explain how you verified them.
xeze [42]

Answer:

  • zeros are {-2, 3, 7} as verified by graphing
  • end behavior: f(x) tends toward infinity with the same sign as x

Step-by-step explanation:

A graphing calculator makes finding or verifying the zeros of a polynomial function as simple as typing the function into the input box.

<h3>Zeros</h3>

The attachment shows the function zeros to be x ∈ {-2, 3, 7}, as required.

<h3>End behavior</h3>

The leading coefficient of this odd-degree polynomial is positive, so the value of f(x) tends toward infinity of the same sign as x when the magnitude of x tends toward infinity.

  • x → -∞; f(x) → -∞
  • x → ∞; f(x) → ∞

__

<em>Additional comment</em>

The function is entered in the graphing calculator input box in "Horner form," which is also a convenient form for hand-evaluation of the function.

We know the x^2 coefficient is the opposite of the sum of the zeros:

  -(7 +(-2) +3) = -8 . . . . x^2 coefficient

And we know the constant is the opposite of the product of the zeros:

  -(7)(-2)(3) = 42 . . . . . constant

These checks lend further confidence that the zeros are those given.

(The constant is the opposite of the product of zeros only for odd-degree polynomials. For even-degree polynomials. the constant is the product of zeros.)

3 0
2 years ago
Can someone help me find the way to get this answer??
3241004551 [841]

It would b B (12.56)

3 0
3 years ago
Is 49 a perfect square yes or no
Romashka [77]

Answer:

Yes

Step-by-step explanation:

7 x 7 = 49

4 0
3 years ago
Read 2 more answers
Which of the following numbers represents the fraction 8/9 to the nearest percent?
jekas [21]
The number that presents 8/9 to the nearest percent is .89.
6 0
2 years ago
A parallelogram has a length of 6 centimeters and a width of 4.5 centimeters. This parallelogram is dilated by a scale factor of
Arada [10]
Scale factor is given by:
(length of larger figure)/(length of smaller figure)=(width of larger figure)/(width of the smaller figure)=3.4
The length of the larger figure will be given by:
length=(scale factor)*(length of smaller figure)
=3.4*6=20.4 cm
width of the larger figure will be given by:
width=(scale factor)*(width of smaller figure)
=3.4*4.5
=15.3 cm
Therefore the dimension of the new parallelogram will be 20.4 cm by 15.3 cm
 
3 0
3 years ago
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