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elena-14-01-66 [18.8K]
1 year ago
8

Change a Relation to Make It a Function The relation R is shown below as a list of ordered pairs. R = { (1, 4), (1, 3), (-1, 3),

(2, 15) } Which ordered pairs prevent this relation from being a function? (1, 4) and (1, 3), because they have the same x-value (1, 3) and (–1, 3), because they have the same y-value
Mathematics
1 answer:
nexus9112 [7]1 year ago
8 0

Answer: (1,4) and (1,3) because the have the same x-value

Step-by-step explanation:

A function is defined so that for each input (known as the domain), there is no more than one output (known as the range).

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Curtis bought 4 DVDs that each cost the same amount. He had a $10-off coupon and spent $46 in all. What was the cost of each DVD
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The answer is 14 dollars because 56 divided by 4 gives 14
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3 years ago
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I need help for this, thanks
gulaghasi [49]

(a) Yes all six trig functions exist for this point in quadrant III. The only time you'll run into problems is when either x = 0 or y = 0, due to division by zero errors. For instance, if x = 0, then tan(t) = sin(t)/cos(t) will have cos(t) = 0, as x = cos(t). you cannot have zero in the denominator. Since neither coordinate is zero, we don't have such problems.

---------------------------------------------------------------------------------------

(b) The following functions are positive in quadrant III:

tangent, cotangent

The following functions are negative in quadrant III

cosine, sine, secant, cosecant

A short explanation is that x = cos(t) and y = sin(t). The x and y coordinates are negative in quadrant III, so both sine and cosine are negative. Their reciprocal functions secant and cosecant are negative here as well. Combining sine and cosine to get tan = sin/cos, we see that the negatives cancel which is why tangent is positive here. Cotangent is also positive for similar reasons.

5 0
3 years ago
We have that AB || DC. By a similar argument used to prove that AEB ≅ CED,we can show that ≅ CEB by . So, ∠CAD ≅ ∠ by CPCTC. The
svp [43]
We have that AB || DC.

By a similar argument used to prove that AEB ≅ CED,we can show that (AED) ≅ CEB by (SAS) . So, ∠CAD ≅ ∠ (ACB) by CPCTC. Therefore, AD || BC by the converse of the (
ALTERNATE INTERIOR ANGLES) theorem. Since both pair of opposite sides are parallel, quadrilateral ABCD is a parallelogram

1. AED
2. SAS
3. ACB
4. ALTERNATE INTERIOR ANGLES
7 0
3 years ago
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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20%5Cfrac%7B36%7D%7B4%7D%20%7D%20" id="TexFormula1" title=" \sqrt{ \frac{36}{4}
iris [78.8K]

Step-by-step explanation:

\sqrt{36/4} =\sqrt{36} /\sqrt{4}

\sqrt{36}=6

\sqrt{4} =2

6/2=3

Hope that helps :)

7 0
3 years ago
Three consecutive even integers have a sum of 48 . find the integers.
Mandarinka [93]

<span>
</span>

<span>x+<span>(x+2)</span>+<span>(x+4)</span>=48</span>

3x+6=48

Minus 6 to both sides

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Divide 3 to both sides

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Get the next two integers

<span>x,x+2,x+4 or 14,16,<span>18 = 48 is you Answer</span></span>

4 0
3 years ago
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