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Pavel [41]
3 years ago
14

Are these relations functions?

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0

Answer:

Letter B is yes because if you use the vertical line test, never anytime the vertical line intersect the graph in more than one point.

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What is the equation of the line that began with a y-intercept of (0,4), was shifted up 3 units, and is perpendicular to y = 3/4
timama [110]

Answer:

Option A

y=-4/3x+7

Step-by-step explanation:

To solve this, we need to understand the various components of the equation of a straight line.

A straight line has the equation: y =mx + c

<em>m</em> is the slope and<em> c</em> is the intercept on the y-axis. If we can get these two components, we can figure out the equation for the new line.

Calculating the slope, <em>m</em>

To obtain the slope of the new line, we use the fact that it is perpendicular to the slope of the line y = 3/4x-2.

This means that

3/4 X <em>m</em> = -1

<em>m</em> = -4/3

To obtain the intercept, <em>c</em>

The intercept can be obtained by adding 3 to the y-component of (0, 4).

This will give (0, 7). Hence the intercept c will be 7.

Therefore, the equation of the line will be y = -4/3x+7. Option A

7 0
3 years ago
What is the decimal equivalent of 32?<br> O A. 0.28125<br> B. 35<br> C. 3.5<br> D. 32.9
Arturiano [62]
D
Because it is the same while number just with a extra .9
8 0
3 years ago
Find an ordered pair that is a solution to the equation.<br><br> 3x - y = 8
mojhsa [17]

Answer:

Step-by-step explanation:

There are so many order pairs that can solve this equation.

To solve this problem, we choose any value of x and find y;

  Given expression;

            3x  - y  = 8

 if x  = 0,

           3(0) - y  = 8

                 -y  = 8

                 y = -8;

  (0,-8) is a solution

ii.

  if x  = 1,

          3(1) - y = 8

               - y = 8 - 3

                  y = -5

        (1, -5) is a solution

8 0
3 years ago
Write an expression to represent the sum of 3 and the quotient of a number divided by 6​
insens350 [35]

3+n/6

sum is adding so

3+

and the quotient (so division)

n (divided by)6

n/6

3+n/6

5 0
3 years ago
14) For the situation below determine the independent value, the dependent value, and the constant of proportionality for both r
Firlakuza [10]

Answer:

The independent variable is number of minutes and the dependent variable is number of miles. Constant of proportionality is 1.2 because 9.6/8=1.2 and 18/15=1.2

Step-by-step explanation:

5 0
3 years ago
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