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2 years ago

Help me please with this math question asap

Mathematics

1 answer:

steposvetlana [31]2 years ago

8 0

Answer:

Step-by-step explanation:

A function

$a \times {b}^{x}$

where a is the initial value and b is the multiplicative rate of change.

In the function,

$f(x) = 2 \times {5}^{x}$

5 is the value of b so

5 is the multipicative rate of change

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Which of the following illustrates a phase shift?

Natasha_Volkova [10]

Answer:

A. y = -2 - cos(x-π)

Explanation:

The general form of the trig equation is:

y = A sin (Bx + C) + D

where:

A is the amplitude

$\frac{2\pi}{B}$ is the period

$\frac{-C}{B}$ is the phase shift

D is the vertical shift

Now, let's check the choices:

A. y = -2 - cos(x-π)

$\frac{-C}{B} = \frac{\pi}{1} = \pi$

Therefore, the function has a phase shift of π

B. y = 3 cos(4x)

$\frac{-C}{B} = \frac{0}{4} = 0$

Therefore, the function has no phase shift

C. y = tan(2x)

$\frac{-C}{B} = \frac{0}{2} = 0$

Therefore, the function has no phase shift

D. y = 1 + sin(x)

$\frac{-C}{B} = \frac{0}{1} = 0$

Therefore, the function has no phase shift

Based on the above, the correct answer is A

Hope this helps :)

3 0

2 years ago

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Ariel invests $3,000 in an account that pays him 5% interest, compounded annually. How much money will Ariel have in the account

ozzi

Answer:

5,120

Step-by-step explanation:

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2 years ago

51 dollars is 75 percent of the original price. what is the original price?

makvit [3.9K]

89.25 is the original price first i did 75÷100=0.75×51=38.25+51=89.25 is the correct answer.

5 0

3 years ago

6. Jayden does 2 sit-ups on the first day of the month, 4 the next day, 8 the

bagirrra123 [75]

Answer:60

Step-by-step explanation:2 x 30=60

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3 years ago

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Without graphing, classify the following system as independent, dependent, or inconsistent. y=-3x+4 and 6x+2y=8

forsale [732]

Answer:

Dependent

Step-by-step explanation:

$y=-3x+4$ and $6x+2y=8$

Lets solve the second equation for y and then substitute it in first equation

$6x+2y=8$

Subtract 6x on both sides

$2y=-6x+8$

Divide by 2 on both sides

$y=-3x+4$

Now we plug it in first equation for y

$-3x+4=-3x+4$

Add 3x on both sides

$4=4$

Both sides are same, they are equal. the system has infinite solutions.

They are said to be dependent

8 0

2 years ago