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PtichkaEL [24]
2 years ago
7

Find the domain of the graphed function

Mathematics
1 answer:
lianna [129]2 years ago
3 0

Answer:

Domain= [0, 13]

Step-by-step explanation:

Domain refers to the possible input values on the x-axis.

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Marty worked 19.5 hours last week. He earns $8.50 per hour. What were Marty’s earnings last week?
lilavasa [31]

Answer:

Step-by-step explanation:

Marty's earnings = 8.50 x 19.5 = 165.75

4 0
3 years ago
Express the product of 2x squared + 7x - 10 and x + 5 in standard form
masha68 [24]
22x^2+7x-10 = x+5

2x^2+7x-15

y2x^2+6x-15


Suggesting that you want this in standard form, in terms of quadratic equations, you would technically follow a process similar if not almost exactly like the 2 - step equation method with the exception of separating the (x)s and the equations to find x and then plug it in and what-not.


With that being said you would subtract 5 in (x+5) from said 5 in the second equation and -10 in the first equation in order to get 2x^2+7x-15, you would continue to do the same for the x by subtracting it from both ends making the 7x a 6x because there is a 1 at the beginning of each x if there is no number that is shown already. Which finally gives you the equation (y= 2x^2+6x-15)
7 0
2 years ago
Write an equation that is 10 less than 3 times a number y, multiplied by 2 and divided by 4. (10 less than 3 times a number y is
IgorC [24]

Answer: (3y - 10)*2÷4

Step-by-step explanation:

Because 10 less than 3 times a number, y, is done first, it is in parenthesis.  The 3 is there to represent the "three times" and the -10 is there to represent the "ten less".  The *2 is there to represent the "multiplied by two" and the ÷4 is there to represent the "divided by 4"

Hope it helps, and tyvm <3

8 0
2 years ago
Read 2 more answers
Lef f be the function given by f(x)=x^3-6x^2+8x-2. what is the instantaneous rate of change of f at x = 3.
Anit [1.1K]
First find the derivative of f(x):-

f'(x)  =  3x^2 - 12x + 8  

So instantaneous rate at x = 3 

=  3(3)^2 - 12(3) + 8 

=  27 - 36 + 8  =   -1  answer
3 0
2 years ago
A yodeler ascends a mountain to its peak to do some sweet yodeling. The peak is 5,800 ft above sea level. The yodeler then desce
Vesna [10]
If the yodeler is at 5800 ft above sea level.....and he descends 200 ft....he will then be at (5800 - 200) = 5600 ft above sea level where he meets his friend
6 0
3 years ago
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