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2 years ago

What is the domain of the given function? {(3,-2), (6, 1), (-1,4), (5,9), (-4,0)}

Mathematics

1 answer:

grandymaker [24]2 years ago

4 0

Answer:

D = { -4,-1,3,5,6}

Step-by-step explanation:

The domain is the x values or the inputs

D = { 3,6,-1,5,-4}

We normally put them in order from smallest to largest

D = { -4,-1,3,5,6}

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A building has an entry the shape of a parabolic arch 84 ft high and 42 ft wide at the base, as shown below. A parabola opening

Gala2k [10]

Since the parabola passes by the center its equation is:

y = ax². But it opens downward, that means the coefficient a is negative.

Then the equation becomes:

y = - ax², with x = 0 as its axis of symmetry.

We are given that the height is 84 ft when the opening downward is 42 ft.
That means to the (height) y, corresponds x =+21 & x=-21 (due to symmetry).
In order to calculate a let's plug y & x with their related values:

y = - ax²

84 = - a(21)²

84 = - a(441) and a = - 84/441 ↔ a = - 4/21

And the final equation is : y = -4/21. x²

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2 years ago

Marleny is creating a game of chance for her family. She has 5 different colored marbles in a bag: blue, red, yellow, white, and

posledela

The answer is four because if you lose two from the four you had you will still have a least 2 hope This helped

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2 years ago

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Jameson has $4,300 in credit card debt with 14% interest that he wants to pay off in 24 months. He will need to make monthly pay

neonofarm [45]

Answer:

The answer to this question can be defined as follows:

net paid interest = $ 655. 04

Total cost = $ 4955.04

Step-by-step explanation:

Given values:

loan amount = $ 4,300

monthly payment = $ 206.46

interest rate = 14 %

Time = 2 years

Solution:

yearly payment = one month amount × 12

1 year payment = $ 206.46 × 12

1 year payment = $2477.52

because Time is 2 year then payment is = $2477.52 *2

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net interest paid = total payment - loan amount

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2 years ago

Which function has the domain x>or= -11

iogann1982 [59]

I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:
$y = \sqrt{x + 11}$
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2 years ago

PLEASE HELP ME ASAP !!! JUST ANSWER ONE OR BOTH PLEASE HELP!!

Sliva [168]

Use equation $A=P(1-r)^{t}$

Question 1: Need to find A:
$A=370,000(1-0.043)^{11} =228157.$

Question 2: Need to find t, use LOGARITHM:
$1-r=1-0.0106=0.9894 \\ log( \frac{A}{P})=tlog(0.9894)$
A=35000
P=49339
$\frac{A}{P}=0.7093779769 \\ \frac{log(0.7093...)}{log(0.9894} =t$
$32.221104307=t=32years.$
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2 years ago

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