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tiny-mole [99]
3 years ago
8

X+7≥18 The solution is ??

Mathematics
2 answers:
frozen [14]3 years ago
5 0

Answer:

x \geq 11

Step-by-step explanation:

x+7 \geq 18

x \geq 18-7

x \geq 11

arlik [135]3 years ago
5 0

Answer:

x ≥ 11

Step-by-step explanation:

Given

x + 7 ≥ 18 ( subtract 7 from both sides )

x  ≥ 11

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Saul wrote the statements shown in the chart.
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3 years ago
The derivative of y with respect to x, when y = 3e^5x - 2 is:
Ede4ka [16]
Answer: 15e^5x

Step - by - step

y=3e^5x - 2

By the sum rule, the derivative of 3e^5x - 2 with respect to x is d/dx [ 3e^5x ] + d/dx [-2].

d/dx [ 3e^5x ] + d/dx [ -2 ]

Evalute d/dx [ 3e^5x ]

Since 3 is constant with respect to x , the derivative of 3e^5x with respect to x is
3 d/dx [ e^5x ].

3 d/dx [ e^5x ] + d/dx [ -2 ]

Differentiate using the chain rule, which states that d/dx [ f(g(x))] is f' (g(x)) g' (x) where f(x) = e^x and g(x) = 5x.

To apply the Chain Rule, set u as 5x.
3 ( d/du [ e^u] d/dx [5x] ) + d/dx [ -2]

Differentiate using the Exponential rule which states that d/du [ a^u ] is a^u ln(a) where a=e.

3( e^u d/dx[5x] ) + d/dx [ -2 ]
Replace
3(e^5x d/dx [5x] ) + d/dx [ -2 ]
3(e^5x( 5 d/dx [x] )) + d/dx [ -2 ]

Diffentiate using the Power Rule which states that d/dx [x^n] is nx^n-1 where n=1.
3(e^5x(5*1)) + d/dx [-2]
3 ( e^5x * 5 ) + d/dx [-2]

Multiply 5 by 3
15e^5x + d/dx [-2]

Since -2 is constant with respect to x, the derivative of -2 with respect to x is 0.
15e^5x + 0
15e^5x
5 0
11 months ago
Use systems of equations to solve the problem.
S_A_V [24]
X + y = 180
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4 0
3 years ago
Read 2 more answers
If f(x)=3x and g(x)=1/x what is the domain of (gof)(x)?
melomori [17]

Answer:

f=7x g=3   x=18

Step-by-step explanation:

6 0
3 years ago
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