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stiks02 [169]
3 years ago
10

Functions F(1) if f(x)=x+3

Mathematics
1 answer:
ratelena [41]3 years ago
5 0

Answer:

the ewser is 4

Step-by-step explanation:

sence x=1 1+3 =4

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What is 3(a-7) simplifyed
Dovator [93]

Answer:

3a - 21

Step-by-step explanation:

Given

3(a - 7)

Required

Simplify

To do this, we apply distributive property;

3(a - 7)= 3 * a - 3 * 7

3(a - 7)= 3a - 21

Hence, the simplified form is 3a - 21

7 0
3 years ago
Write the equation of a line that has a slope of -3 and y-intercept of 10
Helen [10]

Answer:

y=-3x+10

Step-by-step explanation:

8 0
3 years ago
What should be added to 3/4+-5/6+1/2 to get 0
monitta

Answer:

-5/12

Step-by-step explanation:

3/4+-5/6+1/2 = 5/12

5/12 - 5/15 = 0

7 0
2 years ago
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neonofarm [45]

Answer:

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3 0
3 years ago
(1 point) solve the separable differential equation y′(x)=2y(x)+18−−−−−−−−−√, y′(x)=2y(x)+18, and find the particular solution s
luda_lava [24]
We write the equation in terms of dy/dx,
<span>y'(x)=sqrt (2y(x)+18)</span>
dy/dx = sqrt(2y + 18)
dy/dx = sqrt(2) ( sqrt(y + 9)) 

Separating the variables in the equation, we will have:
<span>1/sqrt(y + 9) dy= sqrt(2) dx </span>

Integrating both sides, we will obtain
<span>2sqrt(y+9) = x(sqrt(2)) + c </span>
<span>where c is a constant and can be determined by using the boundary condition given </span>
<span>y(5)=9 : x = 5, y = 9
</span><span>sqrt(9+9) = 5/sqrt(2) + C </span>

<span>C = sqrt(18) - 5/sqrt(2) = sqrt(2) / 2</span>

Substituting to the original equation,
sqrt(y+9) = x/sqrt(2) + sqrt(2) / 2

<span>sqrt(y+9) = (2x + 2) / 2sqrt(2) 
</span>
Squaring both sides, we will obtain,
<span>y + 9 = ((2x+2)^2) / 8</span>

y = ((2x+2)^2) / 8 - 9
7 0
3 years ago
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