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Oksi-84 [34.3K]
3 years ago
12

The graph below represents which of the following functions?

Mathematics
2 answers:
erica [24]3 years ago
7 0

This is a more difficult one to explain. Let's start with the line to the right.  It has a slope (m) of \frac{-2}{2} = -1 and a y-intercept of +3 (continue the line to see where it crosses the y-axis). So, the equation of that line is: y = -x + 3 when x ≥ 2. This can also be written as y = 3 - x when x ≥ 2.  The only option that has that equation is A.

Answer: A


scoundrel [369]3 years ago
6 0

First of all, you can see that this is a piecewise polynomial, since it is shaped like a parabola before x = 2, and is a line after x = 2 So, option C is surely wrong, because it uses x = 3 as splitting point.

Moreover, the way the parabola "bounces" on the x axis, avoiding its negative part, tells us that there is an absolute value. This excludes options B and D, and the answer is thus A.

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Lillian is deciding between two parking garages. Garage A charges an initial fee of $4 to park plus $3 per hour. Garage B charge
Georgia [21]

Answer:

5 hours

Step-by-step explanation:

Lillian is deciding between two parking garages.

Let the time required to park be represented by t

A = Amount

From Garage A

A = the amount Garage A would charge if Lillian parks for t hours

B = the amount Garage B would charge if Lillian parks for t hours.

Garage A

Garage A charges an initial fee of $4 to park plus $3 per hour.

A = $4 + $3 × t

A = 4 + 3t

Garage B charges an initial fee of $9 to park plus $2 per hour.

B = $9 + $2 × t

B = 9 + 2t

The hours parked, t, that would make the cost of each garage the same is calculated by equating A to B

A = B

4 + 3t = 9 + 2t

Collect like terms

3t - 2t = 9 - 4

t = 5 hours

Therefore, the hours parked, t, that would make the cost of each garage the same is 5 hours

4 0
2 years ago
For what values of x does the value of the fraction (3-x)/8 belong to the interval (−2; 5]?
Tamiku [17]

Answer:

-37\leq x\:

Step-by-step explanation:

To find the values of x for which, the value of \frac{3-x}{8} belongs to (-2,5],we solve the inequality;

-2\:

We multiply through by 8 to obtain;

-16\:

We subtract 3 to get

-19\:

Divide through by -1 to obtain;

19\:>x\ge-37

Or

-37\leq x\:

7 0
2 years ago
Can you help me plz
Alex73 [517]

9514 1404 393

Answer:

  y = x + 4

Step-by-step explanation:

To find the constant in the equation, look in the table for the value of y when x=0. That value is 4, so ...

  y = x + 4

6 0
2 years ago
Translate f(x) = (x so that it's translated down by 2 units and to the left 6 units.
svp [43]
Dude it’s easy just learn math
3 0
2 years ago
Pls help will mark brainliest and 30 points
erik [133]

1. Answer is option 3

2. Answer is option 3

7 0
3 years ago
Read 2 more answers
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