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algol13
3 years ago
15

Factor x^3-4x^2+7x-28

Mathematics
1 answer:
puteri [66]3 years ago
3 0

Answer:

(x−4)(x^2+7)

There you GO!

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Solve for x.<br> 9(x + 2) = x - 6
jeyben [28]

Answer:

9(x + 2) = x - 6

9x+18=x-6

9x-x=-18-6

8x=-24

x=-24/8=-3 is your answer

4 0
3 years ago
The cost of riding in a cab is $3.00 plus $0.75 per mile. The equation that represents this relation is y = 0.75x +3, where x is
Gemiola [76]

Answer:

Yes, the relation is a function.

Step-by-step explanation:

Given:

The equation that represents the cost of riding a cab is given as:

y=0.75x+3

Where, 'x' is the number of miles traveled and 'y' is the the total cost of the trip.

The above equation represents a line as it is of the form y=mx+b which represents a line with constant slope.

Now, in order to plot this equation, we need at least two points.

Now, let x =0, then

y=0.75(0)+3=3. So, (0, 3) is a point on the line.

Let x =1, then

y=0.75(1)+3=3.75. So, (1, 3.75) is a point on the line.

Plot these two points on a graph and draw a line passing through these two points.

Now, for a relation to be a function, it should pass the vertical line test.

According to vertical line test, vertical lines passing through the graph must cut the graph at only 1 point for the graph to represent a function.

Here, we observe that vertical lines passing through the line will intersect the line only at one point. So, it represent a function.

8 0
3 years ago
What is the domain of the function on the graph?
MA_775_DIABLO [31]

Answer:

Option 2

Step-by-step explanation:

4 0
3 years ago
why does it take 3 copies of 1/6 to show the same amount as 1 copy of 1/2? explain your answer in words and pictures.
Vanyuwa [196]
1/6 is 3 times smaller than 1/2. 1/2÷3=1/2×1/3=1/6
6 0
3 years ago
Anna has 24 apples and 27 bananas. How many does she have all together?
aalyn [17]
She has 51 all together
3 0
1 year ago
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