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3 years ago

(Math) How do you describe a function? Must be in 3 complete sentences!

1 answer:

5 0

A function could be linear or not. Is the rate of change consistent, increasing, or decreasing? Is does the symbol have one minimum value or maximum value, or several such values?

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3. An elastic band which is 72 cm long<br> to 90 cm. Find the percentage increase

Murljashka [212]

Answer:

25% increase

Step-by-step explanation:

Take the new number and subtract the original amount

90-72 = 18

Divide this amount by the original amount

18/72 = .25

Multiply by 100

25%

This is the percent increase

7 0

3 years ago

Please Help

siniylev [52]

Answer:

Height - 12.692 in

Step-by-step explanation:

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2 years ago

Read 2 more answers

What is the domain of y=log5x?

Leona [35]

There are no real values for log of 0 or negatives.

So the answer is B

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3 years ago

Read 2 more answers

Air is being pumped into a spherical balloon at a rate of 5 cm^3/min. Determine the rate at which the radius of the balloon is i

Romashka-Z-Leto [24]

0.08 cm/min

Step-by-step explanation:

Given:

$\dfrac{dV}{dt}=5\:\text{cm}^3\text{/min}$

Find $\frac{dr}{dt}$ when diameter D = 20 cm.

We know that the volume of a sphere is given by

$V = \dfrac{4\pi}{3}r^3$

Taking the time derivative of V, we get

$\dfrac{dV}{dt} = 4\pi r^2\dfrac{dr}{dt} = 4\pi\left(\dfrac{D}{2}\right)^2\dfrac{dr}{dt} = \pi D^2\dfrac{dr}{dt}$

Solving for $\frac{dr}{dt}$ , we get

$\dfrac{dr}{dt} = \left(\dfrac{1}{\pi D^2}\right)\dfrac{dV}{dt} = \dfrac{1}{\pi(20\:\text{cm}^2)}(5\:\text{cm}^3\text{/min})$

$\:\:\:\:\:\:\:= 0.08\:\text{cm/min}$

3 0

3 years ago

Relationship in Figures

lubasha [3.4K]

Answer:

B. 1,1,2,3,5,8,13,21

Step-by-step explanation:

I calculated it logically

8 0

3 years ago