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astra-53 [7]
3 years ago
13

What is f(-2) for the function f(x)= -3x + 8

Mathematics
1 answer:
NISA [10]3 years ago
5 0

Answer:

f(-2)=14

Step-by-step explanation:

Given function:

f(x)=-3x+8

To find f(-2)

For the given linear function the x value represents the input values of the function or the domain of the function while f(x) represents the output values or the range of the function and is often refereed to as the y values of the function.

In order to find f(-2) we will plugin -2 in place of x in the function and evaluate it. It means our input value =-2 and we need to calculate the output value.

Thus,

f(-2)=-3(-2)+8

f(-2)=6+8    [ Product of two negative numbers is a positive number]

∴ f(-2)=14 (Answer)

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The height, in meters, of the tallest tower on the Incheon Bridge is 230.5 meters

From the question,

The average depth of the ocean is about 3688 meters.

Also,

To reach this depth, one would have to stack the tallest tower of the Incheon Bridge in South Korea 16 times.

Now, to determine the height, in meters, of the tallest tower on the Incheon Bridge,

We will divide the average depth of the ocean by 16

That is,

The height of the tallest tower on the Incheon Bridge = 3688 m ÷ 16

∴ The height of the tallest tower on the Incheon Bridge = 230.5 meters

Hence, the height, in meters, of the tallest tower on the Incheon Bridge is 230.5 meters

Learn more here: brainly.com/question/3029763

6 0
3 years ago
Pablo wanted to see if a 12-inch straw would fit inside a small retangular box. He noticed that it only fits diagonally. The box
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Answer:

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Step-by-step explanation:

7 0
2 years ago
Translate this sentence into an algebraic equation. 8 less than the product of 5 and y is 16
lisov135 [29]

The answer is 8-5+y=16

HIPE THIS HELPS!

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9 0
4 years ago
Read 2 more answers
How do you simplify 9/12
JulsSmile [24]

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Therefore, the answer is 0.75

Hope this helps


6 0
3 years ago
Read 2 more answers
Two angels in a triangle add up two 115 degrees what is the size of the third angle
Bogdan [553]
The internal angles in a triangle add up to 180
I think the question should say
'2 angles in a triangle add up to 115 degrees'
so therefor
x+y+z=180
2 angles are x+y
115+z=180
z=3rd angle

solve
115+z=180
subtract 115 from boths ides
z=65

answer is third angle=65 degrees
5 0
4 years ago
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