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3 years ago

Identify the variation as direct, inverse, joint or combined. s=c/t^3

Mathematics

2 answers:

Kitty [74]3 years ago

7 0

Answer:

Inverse

Step-by-step explanation:

Assuming that c is a constant (the constant of proportion), s = c / (t^3) is a case of inverse variation: As t increases, s decreases.

kobusy [5.1K]3 years ago

7 0

Answer:

the variation is inverse

Step-by-step explanation:

$s=\frac{c}{t^3}$

c is the constant of proportionality.

When y varies directly with x then y=kx

When y varies indirectly with x then y=k/x

In the given equation , we have t^3 in the denominator

It means S varies inversely with cube of t

So the variation is inverse

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3 years ago

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3 years ago

On Monday, the book store sold 75 books. On Tuesday, the bookstore sold 125 books. The bookstore must sell 500 books by Friday.

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3 years ago

If F(x)=4x-1 and g(x)=x^2+7, what is g(f(x))

VashaNatasha [74]

Answer

$g(f(x)) = = 16 {x}^{2} - 8x + 8$

step by step Explanation

The functions given are

$f (x)= 4x- 1$

$g(x)= {x}^{2} + 7$

We want to find:

$g(f (x))= g( 4x- 1)$

This implies that

$g(f (x))= ( (4x- 1)^{2} + 7)$

Let us now simplify

$( {a - b)}^{2} = {a}^{2} -2ab + {b}^{2}$

This implies that

$( (4x- 1)^{2} + 7) =( {(4x)}^{2} - 2(4x) \times 1 + 1$

Combine the terms to get,

$= 16 {x}^{2} - 8x + 1 + 7$

$= 16 {x}^{2} - 8x + 8$

6 0

3 years ago

Read 2 more answers