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Olegator [25]
3 years ago
9

For what value of x is the rational expression below undefined? 3x-5/x-6

Mathematics
2 answers:
Fantom [35]3 years ago
8 0
The answer is 6 as if you plug in 6 in the denominator (6)-6 is 0 which makes the fraction undefined

r-ruslan [8.4K]3 years ago
7 0

Answer:

For x = 6 function would be undefined .

Step-by-step explanation:

Given  : \frac{3x -5}{x -6}.

To find :  what value of x is the rational expression below undefined.

Solution : We have given that \frac{3x -5}{x -6}.

Undefined function : The value at which denominator of function is zero .

Then ,

We can see denominator is x-6

For x = 6

6- 6 = 0  .

Therefore, For x = 6 function would be undefined .

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You are planning to make an open rectangular box from a 24​-in.-by-47​-in. piece of cardboard by cutting congruent squares from
miskamm [114]

Answer:

The dimensions are  13.92inches by 36.92inches by 5.04inches

Volume is 2590.18 inches³

Step-by-step explanation:

see attachment for the figure

supposing 'h' is side length of the square and also the height of the box

then, According to the question

Length of the box 'L'= 47 - 2h

Width of the box 'w'= 24 - 2h

Volume of the box 'V'= hLw

Substituting the values of 'L' and 'w' in above equation

V= h(47 - 2h)(24 - 2h)

V=(47h - 2h²)(24 - 2h) => 1128h - 94h²-48h²+4h³

V= 4h³ -142h²+1128h -->eq(1)

Taking derivative on both sides.

V' = 12h² - 284h + 1128

Setting the equation to zero, we will have

0=12h² - 284h + 1128

0= 3h² - 71h + 282

Using Quadratic formula to find h

h=  (-b+-√b²-4ac) / 2a

  = 71+-√71² - (4 x 3 x 282) / (2 x 3)=> 71+-√5041- 3384 / 6

h  =(71+- 40.706)/ 6

EITHER h= 18.6

OR h=5.04

By substituting the value of 'h' in eq(1)

(1)=>V(18.6)= 4(18.6)³ -142(18.6)²+1128(18.6) => -2406.096

(1)=>V(5.04)= 4(5.04)³ -142(5.04)²+1128(5.04) => 2590.18

By ignoring the negative value, we will have h=5.04

Therefore,

L= 47 - 2h => 47 -2(5.04) =>36.92

w= 24 - 2h=> 24- 2(5.04)=> 13.92

The dimensions are  13.92inches x 36.92inches x 5.04inches

Volume is 2590.18 inches³

7 0
3 years ago
Determine the x- and y-intercepts of the graph of y=1/4 x−2
JulsSmile [24]
First question : x=8 and y= -2
and once again, i dont know how t make a table
8 0
3 years ago
Read 2 more answers
Suppose Angel is shooting baskets and makes 40% of the 15 shots. Does he get a prize? Explain your reasoning
maksim [4K]
No because it is 15 shots
6 0
3 years ago
After a rotation, A(-3,4) maps to A/4, 3), B(4.-5) maps to BY-5,-4), and C(1,6) maps to C(6.-1). Which rule
sineoko [7]

Answer:

3rd option

Step-by-step explanation:

Under a rotation about the origin of 270°

a point (x, y ) → (y, - x ) , then

A (- 3, 4 ) → (4, - 3 )

B (4, - 5 ) → (- 5, - 4 )

C (1, 6 ) → (6, - 1 )

6 0
2 years ago
{1,2,3,....}<br> {1,2,3,.....,163}<br> {14.7,14.6,14.5,...,0}<br> {14.7,14.6,14.5,...}
JulijaS [17]
P(f), where f is the number of floors.

the domain of f goes from 1 to 163, then:

{1,2,3,.....,163}

is te right domain
4 0
3 years ago
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