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Zarrin [17]
3 years ago
8

Which function has a domain of all real numbers except x=pi/2+_npi?

Mathematics
1 answer:
Vlad [161]3 years ago
4 0

The answer would be D. Y=secx

Hope this helps and good luck!

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Start time 7:20 am. 8:58 am ending time elapsed time between them are
soldier1979 [14.2K]

Answer:

1 hr 38 min

Step-by-step explanation:

The start time is 7:20.  The end time is 8:58.

When 1 hour passes by, the time is 8:20.

8:58 - 8:20 = 38 minutes

1 hour and 38 minutes passes by.

4 0
3 years ago
Find the​ fourth-degree polynomial function with zeros 4​, -4, 4i ​, and -4i . Write the function in factored form.
Iteru [2.4K]

Given:

A fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i .

To find:

The fourth-degree polynomial  function in factored form.

Solution:

The factor for of nth degree polynomial is:

P(x)=(x-a_1)(x-a_2)...(x-a_n)

Where, a_1,a_2,...,a_n are n zeros of the polynomial.

It is given that a fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i. So, the factor form of given polynomial is:

P(x)=(x-4)(x-(-4))(x-4i)(x-(-4i))

P(x)=(x-4)(x+4)(x-4i)(x+4i)

P(x)=(x-4)(x+4)(x^2-(4i)^2)           [\because a^2-b^2=(a-b)(a+b)]

On further simplification, we get

P(x)=(x-4)(x+4)(x^2-4^2i^2)

P(x)=(x-4)(x+4)(x^2+16)                [\because i^2=-1]

Therefore, the required fourth degree polynomial is P(x)=(x-4)(x+4)(x^2+16).

6 0
3 years ago
BRAINLIEST PLZ ANSWER! IM DESPRATE ;(
iogann1982 [59]

The answer is 4 mph I think-

6 0
3 years ago
The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?
ozzi

Answer:

15 inches

Step-by-step explanation:

42 = 2L + 2(6)

first, we need to isolate L.

solve 2(6) to make this easier

42 = 2L + 12

42 - 12 = 2L + 12 - 12 ( this cancels out 12. )

30 = 2L

30 ÷ 2 = 2L ÷ 2 ( this cancels out 2. )

15 = L

8 0
3 years ago
PLEASE HELP PLEASE! BRAINLIESTTTTT​
12345 [234]

Answer:

60 minutes

Step-by-step explanation:

You do the simple math

6 0
3 years ago
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