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professor190 [17]
3 years ago
7

Is f(x) a function?

Mathematics
1 answer:
Mila [183]3 years ago
5 0
Yes as that is the function notation in play. a function of x.
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1) 2x+y=4
Sergio039 [100]

y=-2x+4

y=-8x-6

y=3x+5

y=x-10

y=4x-4

Step-by-step explanation:

these questions require a series of equations in order to solve but if you are asking for them to be rearranged

4 0
3 years ago
Is y = 2x - 3 a function
Lostsunrise [7]

Answer: Yes it is a function.

Step-by-step explanation: When trying to find out, you put it into a calculator and can tell by the line if it is a function.

7 0
3 years ago
I earn $1 per hour. How much will I earn in a week
Whitepunk [10]

Answer:

depend how many hours u work

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Write the equation of a line that passes through the points (-2, -8) and (2, -6).
Anna [14]

Answer:

y = \frac{1}{2} x - 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, - 8) and (x₂, y₂ ) = (2, - 6)

m = \frac{-6+8}{2+2} = \frac{2}{4} = \frac{1}{2} , thus

y = \frac{1}{2} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (2, - 6), then

- 6 = 1 + c ⇒ c = - 6 - 1 = - 7

y = \frac{1}{2} x - 7 ← equation of line

5 0
3 years ago
Mike wants to make meatloaf. His recipe uses a total of 3 pounds of meat. If he uses a 3 to 1 ratio of beef to pork, how much po
nadezda [96]
Beef to pork.....ratio 3:1....added = 4.....this is basically saying that 3/4 of the total meat is beef and 1/4 of the total meat is pork...and the total meat is 3 lbs.

3/4(3) = 9/4 = 2 1/4 lbs of beef
1/4(3) = 3/4 lbs of pork <===
8 0
4 years ago
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