1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zzz [600]
11 months ago
7

Graph the function, identify if it represents exponential growth or decay, and identify domain and range. See picture

Mathematics
1 answer:
Brrunno [24]11 months ago
4 0

Answer:

a. Decay

b. 0.5

c. 4

Explanation:

If we have a function of the form

y=ab^x

then

a = intital amount

b = growth / decay rate factor

x = time interval

If b > 1; then the equation is modelling growth. If b < 0, then the equation is modelling decay.

Now in our case, we have

y=4(\frac{1}{2})^x

Here we see that

inital amount = a = 4

b = 1/ 2 < 0, meaning the function is modeling decay

decay factor = b = 1/2

Therefore, the answers are

a. Decay

b. 0.5

c. 4

You might be interested in
2) 0.6148.24<br> 3<br> I really need help y’all its really hard
BartSMP [9]

Answer:

0.012

Step-by-step explanation:

0.6/48.24

1. multiply numerator and denominator by 100 to get 60/4824

2. divide 60 by 4824

3. you get 0.012

( i would've written out how to get that answer but there are about 10 steps and it's really hard to type them out)

6 0
2 years ago
What is the surface area of a cube with a side length of 8 mm
Tcecarenko [31]
S=6a²
a=8mm
S = 6 * 8² = 6 * 64 = 384 mm²
7 0
3 years ago
Read 2 more answers
16y2 – 64<br> What is the answer to this problem
Elodia [21]

Answer:

448 is the answer to 16y2 – 64.

8 0
3 years ago
Read 2 more answers
A car is being driven at a rate of 40 ft/sec when the brakes are applied. The car decelerates at a constant rate of 10 ft/sec2.
IRISSAK [1]

Answer:

80 feet

Step-by-step explanation:

Given:

Initial speed of the car (v_0) = 40 ft/sec

Deceleration of the car (\frac{dv}{dt}) = -10 ft/sec²

Final speed of the car (v_x) = 0 ft/sec

Let the distance traveled by the car be 'x' at any time 't'. Let 'v' be the velocity at any time 't'.

Now, deceleration means rate of decrease of velocity.

So, \frac{dv}{dt}=-10\ ft/sec^2

Negative sign means the velocity is decreasing with time.

Now, \frac{dv}{dt}=\frac{dv}{dx}(\frac{dx}{dt}) using chain rule of differentiation. Therefore,

\frac{dv}{dx}\cdot\frac{dx}{dt}= -10\\\\But\ \frac{dx}{dt}=v.\ So,\\\\v\frac{dv}{dx}=-10\\\\vdv=-10dx

Integrating both sides under the limit 40 to 0 for 'v' and 0 to 'x' for 'x'. This gives,

\int\limits^0_{40} {v} \, dv=\int\limits^x_0 {-10} \, dx\\\\\left [ \frac{v^2}{2} \right ]_{40}^{0}=-10x\\\\-10x=\frac{0}{2}-\frac{1600}{2}\\\\10x=800\\\\x=\frac{800}{10}=80\ ft

Therefore, the car travels a distance of 80 feet before stopping.

4 0
3 years ago
Complete the explanation to determine whether each statement is always, sometimes, or never true. If quadrilateral PQRS is a rho
dimaraw [331]

Answer:

True I believe

Step-by-step explanation:

4 0
2 years ago
Other questions:
  • How to find volume of a solid
    6·2 answers
  • If y =18 and x=60 what is the constant of proportionality
    6·1 answer
  • What is the volume of a triangle prism that has a height of 45 meters and has a base with an area of 20 square meters
    9·1 answer
  • PLEASE HELP HELP ASAP
    12·2 answers
  • If bacteria took 20 minutes to double from 2 to 4, how many bacteria would there be after 1 hour
    8·2 answers
  • Solve the system of equations by substitution y=5x-13 and 5x+2y=19
    8·1 answer
  • What is the product? (x 3)(2x – 1) 2x2 – 3 2x2 6x 2x2 5x – 3 2x2 6x – 3
    10·2 answers
  • In the figure below, ΔABC ∼ ΔDEF. What is the length of FE?
    7·1 answer
  • Examine the diagram. <br>Complete the statement by typing the letter of the angle. <br>m______= 54°​
    5·1 answer
  • Brandon just competed in a 400-meter race. He completed the race in 1:25 (1 minute 25 seconds). How many yards did Brandon run i
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!