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Alona [7]
2 years ago
8

PLEASE PLEASE HELP what is f(1)

Mathematics
2 answers:
GREYUIT [131]2 years ago
5 0

Answer:

f(1)=5

Step-by-step explanation: If you plug in 1 for x on the graph, then y is equal to 5.

Dafna1 [17]2 years ago
4 0

Answer:

5

Step-by-step explanation:

f(1) means what is the value when x=1. y is at 5.

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Use the following function rule to find f(28).
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What following function tool?

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3 years ago
On question six find the answer and also explain. On question eight find the answer and also explain. On question nine I already
serious [3.7K]
6. No it is not equilateral because a. All the angles should be congruent (60) and as we can tell, they are not, and b. you should never assume measurements.

8. GF is the longest because the angle for that side (GFH) is smaller than the others, so it means it has a longer side.


Your answer for 9 is wrong. The answer is yes because the largest angle = the largest side.

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3 0
3 years ago
F(x)=9(x-8) find f^-1(x)
mina [271]

Answer:

f^{-1}(x) = \frac{1}{9} x + 8

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = 9(x - 8) ← divide both sides by 9

\frac{y}{9} = x - 8 ( add 8 to both sides )

\frac{y}{9} + 8 = x

Change y back into terms of x with x = f^{-1}(x) , thus

f^{-1}(x) = \frac{1}{9} x + 8

8 0
3 years ago
A brick wall will be shaped like a rectangular prism. The wall needs to be 3ft tall and the builders have enough bricks for the
faltersainse [42]

Answer:

For a rectangular prism that has a base area B, and a height H, the volume is:

V = B*H

This is the only "tool" that we need to use in this situation.

We know that the wall needs to be 3ft tall, then H = 3ft

And we also know that we have enough bricks for a wall of a volume:

V = 330 ft^3

If we replace these two in the volume equation, we get:

330ft^3 = B*3ft

Now we can solve this for B, and thus find the volume of the base of the wall.

To do it, we just need to divide both sides by 3ft

(330 ft^3)/3ft = B*3ft/3ft

110 ft^2 = B

This means that the area of the base is 110ft^2

As the base is a rectangle of width W and length L, we must have:

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Then the possible measures of the base are given by the linear relation:

L = 110ft^2/W

Where we also need to add some trivial restrictions, like:

L > 0 ft

W > 0ft

This only means that we can not have a length or width equal to or smaller than zero, as those do not have physical sense.

7 0
3 years ago
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