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3 years ago

The inverse of F(x) is a function.

Mathematics

1 answer:

leonid [27]3 years ago

7 0

Answer:

This is true.

Step-by-step explanation:

I hope this helped you! :)

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Use the commutative law of addition to find an expression equivalent to 7(c+3)

Vlada [557]

Answer:

7c+21

Step-by-step explanation:

multiply 7 by c and 7 times 3

7c and 21

7c+21

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4 years ago

= -6(x-7) – 9 =what will the equal to

egoroff_w [7]

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3 years ago

As the figure shows Elton runs 500 m to point b first then he turns 100 degrees and runs another 350 m to point c how far is the

Alex777 [14]

Answer:

658.24 m

Step-by-step explanation:

Let A be the point from where Elton started. Connect points A and C, you get triangle ABC with AB=500 m, BC=350 m and m∠B=100°. Use the cosine rule to determine the length of the segment AC:

$AC^2=AB^2+BC^2-2\cdot AB\cdot BC\cdot \cos \angle B,\\ \\AC^2=500^2+350^2-2\cdot 500\cdot 350\cdot \cos 100^{\circ},\\ \\AC^2=250000+122500-350000\cdot (-0.174),\\ \\AC^2\approx 433276.8622,\\ \\ AC\approx 658.24\ m.$

8 0

4 years ago

Read 2 more answers

Find the inverse of f(x)

FinnZ [79.3K]

Answer:

$\huge\boxed{A.\ f^{-1}(x)=\dfrac{x-3}{5}}$

Step-by-step explanation:

$f(x)=5x+3\to y=5x+3\\\\\text{exchange}\ x\ \text{with}\ y\\\\5y+3=x\\\\\text{solve for}\ y\\\\5y+3=x\qquad|\text{subtract 3 from both sides}\\\\5y+3-3=x-3\\\\5y=x-3\qquad|\text{divide both sides by 5}\\\\\dfrac{5\!\!\!\!\diagup y}{5\!\!\!\!\diagup}=\dfrac{x-3}{5}\\\\y=\dfrac{x-3}{5}\to f^{-1}(x)=\dfrac{x-3}{5}$

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3 years ago

Every 3 days, William has to take medication for his back. Every 7 days, he has to take medication for his asthma. On what day w

deff fn [24]

On the 21st day, 7x3=21
3x7=21

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3 years ago

Read 2 more answers