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oksano4ka [1.4K]
3 years ago
15

130. Identify which functions are exponential. For the functions that are exponential, use the properties of exponents to identi

fy the percent rate of change, and classify the functions as indicating exponential growth or decay.
d. h(x) = 3x/4
Mathematics
1 answer:
Fynjy0 [20]3 years ago
7 0

Answer:

Step-by-step explanation:

You only have one function listed here and it is not exponential.  It is linear. The rate of change is 3/4.  The equation can be rewritten as

y=\frac{3}{4}x

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Please help! Picture above^
Virty [35]
ANSWER:

24 minutes

40% of 1 hour is equivalent to 24 minutes.

STEP-BY-STEP EXPLANATION:

1 hour = 60 minutes

If:

100% = 60 minutes

Then:

100% ÷ 2.5 = 60 minutes ÷ 2.5

40% = 24 minutes

THEREFORE:

40% of 1 hour is equivalent to 24 minutes.
3 0
3 years ago
HELP JUST LOOK AT PICTURE
kherson [118]
It should be A and C
8 0
3 years ago
Find the solution of the initial value problem<br><br> dy/dx=(-2x+y)^2-7 ,y(0)=0
Leokris [45]

Substitute v(x)=-2x+y(x), so that \dfrac{\mathrm dv}{\mathrm dx}=-2+\dfrac{\mathrm dy}{\mathrm dx}. Then the ODE is equivalent to

\dfrac{\mathrm dv}{\mathrm dx}+2=v^2-7

which is separable as

\dfrac{\mathrm dv}{v^2-9}=\mathrm dx

Split the left side into partial fractions,

\dfrac1{v^2-9}=\dfrac16\left(\dfrac1{v-3}-\dfrac1{v+3}\right)

so that integrating both sides is trivial and we get

\dfrac{\ln|v-3|-\ln|v+3|}6=x+C

\ln\left|\dfrac{v-3}{v+3}\right|=6x+C

\dfrac{v-3}{v+3}=Ce^{6x}

\dfrac{v+3-6}{v+3}=1-\dfrac6{v+3}=Ce^{6x}

\dfrac6{v+3}=1-Ce^{6x}

v=\dfrac6{1-Ce^{6x}}-3

-2x+y=\dfrac6{1-Ce^{6x}}-3

y=2x+\dfrac6{1-Ce^{6x}}-3

Given the initial condition y(0)=0, we find

0=\dfrac6{1-C}-3\implies C=-1

so that the ODE has the particular solution,

\boxed{y=2x+\dfrac6{1+e^{6x}}-3}

5 0
3 years ago
Which of the following can you use to find 20 percent of 48?
lana [24]

Answer:

B:0.2(48)

Step-by-step explanation:

Of means multiply

20% of 48

Changing to decimal form

.20 * 48

8 0
3 years ago
Read 2 more answers
Mike's Bikes has mountain bikes that usually sell for $275 on sale for $220. Mike used this ratio to find the percent change. Is
MrRa [10]

No. Mike wrote the ratio as the amount of change to the new amount. He should have used the ratio of the amount of change to the original amount, which is 55

55/275 , or 20%.

4 0
3 years ago
Read 2 more answers
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