3 years ago

Can someone please help me with these?

Mathematics

1 answer:

PtichkaEL [24]3 years ago

6 0

Answer:

Step-by-step explanation:

a.never

b.never

c.True

d.True

e.sometimes

f.never

g. sometimes

h.never as 8-4=4 is not <3

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If f(x)=3x+6 what is the inverse of f(x)

Crank

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3 years ago

Read 2 more answers

Part 3 <br>please help <br>

aleksandr82 [10.1K]

I'm taking "part 3" to mean the 3rd of the posted questions.

If $f(x)=(x^3+2x)\ln x$ , then

$f'(x)=(x^3+2x)'\ln x+(x^3+2x)(\ln x)'=(3x^2+2)\ln x+\dfrac{x^3+2x}x$

$\implies f'(x)=(3x^2+2)\ln x+x^2+2$

Then when $x=1$ , we get $f'(1)=3$ .

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3 years ago