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2 years ago

Anyone know how to do number 2 in stuck please help

Mathematics

1 answer:

solmaris [256]2 years ago

8 0

12/3=4
4*2000=8000

8000mg
my best guess

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Which situation could not be represented by the inequality below:

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2 years ago

Read 2 more answers

Factor 2x^2 + 14x + 12

8_murik_8 [283]

2(x+6)(x+1)

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3 years ago

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3 years ago

15 pts. Prove that the function f from R to (0, oo) is bijective if - f(x)=x2 if r- Hint: each piece of the function helps to "c

solniwko [45]

Answer with explanation:

Given the function f from R to $(0,\infty)$

f: $R\rightarrow(0,\infty)$

$-f(x)=x^2$

To prove that the function is objective from R to $(0,\infty)$

Proof:

$f:(0,\infty )\rightarrow(0,\infty)$

When we prove the function is bijective then we proves that function is one-one and onto.

First we prove that function is one-one

Let $f(x_1)=f(x_2)$

$(x_1)^2=(x_2)^2$

Cancel power on both side then we get

$x_1=x_2$

Hence, the function is one-one on domain [tex[(0,\infty)[/tex].

Now , we prove that function is onto function.

Let - f(x)=y

Then we get $y=x^2$

$x=\sqrt y$

The value of y is taken from $(0,\infty)$

Therefore, we can find pre image for every value of y.

Hence, the function is onto function on domain $(0,\infty)$

Therefore, the given $f:R\rightarrow(0.\infty)$ is bijective function on $(0,\infty)$ not on whole domain R .

Hence, proved.

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3 years ago

What is the range of the function graphed below?

Akimi4 [234]

Answer:

$- \infty < y < \infty$

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3 years ago