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3 years ago

Which functions represent exponential growth?

Mathematics

1 answer:

Rufina [12.5K]3 years ago

4 0

Answer:

Y=h(x)

Y=k(h)

Because they are on positive

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Prove this <br><br> 1-tan^2x/1+tan^2x=cos^2x-sin^2x

tatiyna

Answer:

see explanation

Step-by-step explanation:

Using the identity

tan x = $\frac{sinx}{cosx}$

Consider the left side

$\frac{1-tan^2x}{1+tan^2x}$

= $\frac{1-\frac{sin^2x}{cos^2x} }{1+\frac{sin^2x}{cos^2x} }$ ( multiply numerator and denominator by cos²x to clear fractions

= $\frac{cos^2x-sin^2x}{cos^2x+sin^2x}$ ← ( cos²x + sin²x = 1 ]

= cos²x - sin²x

= right side , thus proven

7 0

3 years ago

Will give brainiest!!!

azamat

Answer:

i take bite :3

Step-by-step explanation:

6 0

3 years ago

HELP! I forgot my textbook at school and need pages 7 and 8 questions 15-22. I am in math course 3 and the textbook is the pears

Andrei [34K]

Download the app slander and you might be able to find the answers and the textbook there

5 0

3 years ago

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures

svlad2 [7]

Answer: 29 degrees is the answer

Step-by-step explanation:

The bisector is the line that divides the angle, and rhombus diagonally. So, basically you're just dividing 58 in half. Which is 29 degrees.

5 0

3 years ago

(a) There are European cities that Betty would eventually like to visit. On her next vacation, though, she only has time to visi

kondaur [170]

Answer:

The number of different schedules possible is given by:

$P_{(n,3)} = \frac{n!}{(n-3)!}$

In which n is the number of European cities that Betty would eventually like to visit.

Step-by-step explanation:

The order in which the cities are visited is important, for example, visiting Paris on Monday and London on Tuesday is a different schedule than London on Monday and Paris on Tuesday. This means that the permutations formula is used to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

She wants to visit n cities on 3 days:

So the number of different schedules possible is given by:

$P_{(n,3)} = \frac{n!}{(n-3)!}$

In which n is the number of European cities that Betty would eventually like to visit.

5 0

3 years ago