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3 years ago

Is j(x)=x^-3 even, odd, or neither function

1 answer:

5 0

It's an odd function, to check: put -x in place of X

j(x)= 1/x^3

j(-x)=-1/x^3

condition for odd function:
f(-x)=-f(x)

which is satisfied, hence it is an odd function

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Simplify the expression ?

melomori [17]

Answer:

The answer is cscx(cscx - 1) ⇒ the second answer

Step-by-step explanation:

∵ csc²x = cot²x + 1

∴ $\frac{cot^{2}x+1-1 }{1+sinx}=\frac{cot^{2}x }{1+sinx}$

Multiply the fraction by its conjugate 1 - sinx (up and down)

∴ $\frac{cot^{2}x }{1+sinx}*\frac{1-sinx}{1-sinx}=\frac{cot^{2}x(1-sinx) }{1-sin^{2}x}$

∵ 1 - sin²x = cox²x

∴ $\frac{cot^{2}x(1-sinx) }{cos^{2}x }$

∵ cot²x = cos²x/sin²x

∴ $\frac{1-sinx}{sin^{x}}=\frac{1}{sin^{2}x}-\frac{sinx}{sin^{2}x}=csc^{2}x-cscx$

Take cscx as a common factor

∴ cscx(cscx - 1)

7 0

3 years ago

Someone help with this question pleaseee

vovikov84 [41]

Answer:

gal hai na ki wajah se nhi hui thi na to konse college

Step-by-step explanation:

gajab news hai na ki wajah se nhi hui thi na to konse college se kr rahi hu na to konse college se kr rahi hu na to konse college se kr rahi hu na to konse college 36785 hai na ki wajah se nhi hui thi na to

5 0

2 years ago

If the book fair had a sale where 6 books were $20.46 then if you wanted 7 books how much money would you need

lianna [129]

Answer:

If you wanted to buy 7 books you would need $23.87.

Step-by-step explanation:

Divide the total of the six books by their price, ($20.46/6), you would get that the individual price of each book is $3.41. Lastly, you multiply that number by 7 because that's how many books you need (7 x $3.41). You end up with $23.87

4 0

3 years ago

Solve for y 5x+2y=-6

Luda [366]

Answer:

-3-5x/2

Step-by-step explanation:

You would want to move all terms that don't contain y to the right and solve.

8 0

3 years ago

Read 2 more answers

Parallelogram Q T S R is shown. Sides Q T and R S are parallel, and sides Q R and T S are parallel. Angle Q is (9 x minus 6) deg

jenyasd209 [6]

Answer:

m<Q = 93 degrees

m<R = 87 degrees

Step-by-step explanation:

Given the following angles;

m<Q = 9x-6

m<R = 8x-1

Looking at Devin's work, we will see that he the sum of both angles is 180 degrees

Hence m<Q + m<R = 180

9x - 6 + 8x - 1 = 180

9x+8x-6-1 = 180

17x - 7 = 180

17x = 180 + 7

17x = 187

x = 187/17

x = 11

Get m<Q

m<Q = 9x - 6

m<Q = 9(11) - 6

m<Q = 99 - 6

m<Q = 93 degrees

Get m<R

m<R = 180 - m<Q

m<R = 180 - 93

m<R = 87degrees

8 0

3 years ago

Read 2 more answers