2 years ago

Passage 1

Mathematics

1 answer:

Delvig [45]2 years ago

7 0

I think it’s the last one I’m not sure tho :)

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Anarel [89]

Answer:

✓ C. f(x)= sqrt 1/x

Step-by-step explanation:

i hoep this answer your question

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2 years ago

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max2010maxim [7]

It would be $2000 for that month.

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2 years ago

Help with my math plz! Giving brainlist :D

cupoosta [38]

Number six is 70 cus your adding

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2 years ago

What is the factored form of the expression 9x2 + 6x + 1?

DanielleElmas [232]

Answer:

(3x + 1)²

Step-by-step explanation:

Given

9x² + 6x + 1 ← is a perfect square of the form

(ax + b)² = a²x² + 2abx + b²

Compare like terms to find a and b

a²x² = 9x² ⇒ a² = 9 ⇒ a = $\sqrt{9}$ = 3

b² = 1 ⇒ b = $\sqrt{1}$ = 1

and 2ab = 2 × 3 × 1 = 6

Thus

9x² + 6x + 1 = (3x + 1)²

4 0

3 years ago

Let f(x) = 7x − 13. Find f−1(x)

motikmotik

$f(x)=7x-13\\\\y=7x-13\ \ \ \ |add\ 13\ to\ both\ sides\\\\y+13=7x\ \ \ \ \ |divide\ both\ sides\ by\ 7\\\\x=\dfrac{y+13}{7}\\\\Answer:f^{-1}(x)=\dfrac{y+13}{7}$

6 0

2 years ago