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kvasek [131]
3 years ago
5

The piecewise function f(x) is defined below. What is the value of f(1)? mc012-1.jpg f(1) = –2 f(1) = –1 f(1) = 2 f(1) = 3

Mathematics
2 answers:
Illusion [34]3 years ago
6 0
Given the <span>piecewise function f(x) is defined below
</span> f(x)= \left \{ {{x^2+1; \ \ \ -4 \leq x \ \textless \ 1} \atop {-x^2; \ \ \ 1 \leq x\ \textless \ 2}} \atop {3x; \ \ \ x \geq 2} \right.

In the piecewise function, we use the top function, when x has a value from -4 to 1, 1 not included. We use the middle function when x has a value from 1 to 2, 2 not included. And we use the bottom function when x has a value of 2 and above.

Therefore, to find f(1), we make use of the middle function.
f(1) = -(1)^2=-1
alexira [117]3 years ago
3 0

Answer:

its b!!!

Step-by-step explanation:

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An Apple iPad sells for $699.00 on eBay. The markup is 30% on cost. What is the total cost of the iPad
Andru [333]
The cost of ipad = 699$
the markup = 30%
1%  = 699/100 = 6.99$
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the total cost of the ipad = 699 + 209.7 = 908.7$

4 0
3 years ago
Write the slope intercept form of the equation for the line. A.Y=8/5x-1/2, B.Y=-5/8x+1/2, C.Y=5/8x+1/2. D. Y=8/5x+1/2
Andrei [34K]

Answer:

Step-by-step explanation:

Slope-intercept form is y-y_{1}=m(x-x_{1}  ) where m is the slope

A. The slope is 8/5, and the -1/2 means that the point (0, -1/2) falls on the line, therefore the slope-intercept form is y+1/2=8/5(x-0) or y+1/2=8/5x

B. The slope is -5/8, and the 1/2 means that the point (0, 1/2) falls on the line, therefore the slope-intercept form is y-1/2=-5/8(x-0) or y+1/2=-5/8x

C. The slope is 5/8, and the 1/2 means that the point (0, 1/2) falls on the line, therefore the slope-intercept form is y-1/2=5/8(x-0) or y-1/2=5/8x

D. The slope is 8/5, and the 1/2 means that the point (0, 1/2) falls on the line, therefore the slope-intercept form is y-1/2=8/5(x-0) or y-1/2=8/5x

7 0
4 years ago
Patty lives on a chicken farm and can collect 80 eggs in 2 hours. At that rate how long will it take her to collect 360 eggs?
Mamont248 [21]

Answer:

9 hours

Step-by-step explanation:

First we have to calculate how many eggs she can collect in an hour. All we have to do to do this is divide 80 by 2, as if she can collect 80 in 2 hours, in one hour, half of the time, she can collect have of the eggs. This means that she can collect 40 eggs in one hour.

Now all we have to do is divide how many eggs she wants to collect by how many she can collect per hour, which will give how many hours it will take. In this case 360/40=9, so it will take her 9 hours.

3 0
3 years ago
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Answer: the x-intercept of the fuction is 13 which represents the number of hours unit

All the snow has melted

Step-by-step explanation:

4 0
3 years ago
Solve the equation using any technique x2=3x-1
IgorC [24]
My dear that is solution:
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3 years ago
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