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Zinaida [17]
3 years ago
12

Calculate the derivative of the function. hint [see example 1.] f(x) = 7x + x2

Mathematics
1 answer:
Leviafan [203]3 years ago
5 0
F’= 7+2x, plz mark my answer~
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Solve the inequality -2n &gt; -6<br><br> A. n&gt;3<br> B. n&gt;-3<br> C. n&lt;3<br> D. n=3
Natasha2012 [34]
The answer is C ... or you could say n<3
5 0
3 years ago
Use appropriate algebra and Theorem 7.2.1 to find the given inverse Laplace transform. (Write your answer as a function of t.)
Licemer1 [7]

Expand the expression as

(<em>s</em> + 1)³/<em>s</em> ⁵ = (<em>s</em> ³ + 3<em>s</em> ² + 3<em>s</em> + 1)/<em>s</em> ⁵

… = 1/<em>s</em> ² + 3/<em>s</em> ³ + 3/<em>s</em> ⁴ + 1/<em>s</em> ⁵

Then taking the inverse transform, you get

LT⁻¹ [1/<em>s</em> ² + 3/<em>s</em> ³ + 3/<em>s</em> ⁴ + 1/<em>s</em> ⁵]

… = LT⁻¹ [1/<em>s</em> ²] + LT⁻¹ [3/<em>s</em> ³] + LT⁻¹ [3/<em>s</em> ⁴] + LT⁻¹ [1/<em>s</em> ⁵]

… = LT⁻¹ [1!/<em>s</em> ²] + 3/2 LT⁻¹ [2!/<em>s</em> ³] + 1/2 LT⁻¹ [3!/<em>s</em> ⁴] + 1/24 LT⁻¹ [4!/<em>s</em> ⁵]

… = <em>t</em> + 3/2 <em>t</em> ² + 1/2 <em>t</em> ³ + 1/24 <em>t</em> ⁴

8 0
2 years ago
Raoul says that Function B has a greater initial value. Is Raoul correct?
Sergio039 [100]

Answer:

yes he is correct because if you where to graph B it would have a greater slope

Step-by-step explanation:

6 0
3 years ago
-3 (9x +20) &gt; 15x -20
KengaRu [80]
-27x - 60 > 15x - 20
+27x  +20   +27x +20

-40= 42x

-20
----- = x                            Is this correct?
 21
3 0
2 years ago
Please help me solve this for 15 points! <br><br>-x2 + 4x - 54 = 0​
Mazyrski [523]

Answer:

x1 =2-5i*sqrt(2)

x2 =2+5i*sqrt(2)

Step-by-step explanation:

-x^2 +4x-54=0 (quadratic equation)

a=-1, b=4, c=-54

x1=(-b+sqrt(b^2-4ac))/2a

x1=(-4+sqrt(4^2 - 4*(-1)(-54))/2*(-1)

x1=(-4+sqrt(16-216))/(-2)

x1 =(-4+sqrt(-200))/(-2)

x1 =(-4+sqrt(200i^2))/(-2) i^2=-1

x1 =(-4+sqrt(100*2*i^2))/(-2)

x1 =(-4+10i*sqrt(2))/(-2)

x1 =2-5i*sqrt(2)

x2 =(-b-sqrt(b^2-4ac))/2a

x2 =(-4-10i*sqrt(2))/(-2)

x2 =2+5i*sqrt(2)

7 0
3 years ago
Read 2 more answers
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