3 years ago

Select the correct answer. Which of the following represents a function?

Mathematics

1 answer:

hichkok12 [17]3 years ago

5 0

Answer:

The answer is C

Step-by-step explanation:

All of the numbers are all different a function is when there are no same numbers

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Answer:

Step-by-step explanation:

A) Incorrect. x = 4 means that all points on the line must have x coordinate equal to 4. Neither points satisfy this.

B) Incorrect. We can rewrite the equation to be y=x/4. If we calculate the slope between the two points we get a slope of 0, not 1/4.

C) Incorrect. If y = 3, all points must have y coordinate equal to 3. Neither points satisfy this.

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4 years ago

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hjlf

Answer:

$V=18,369\ in^3$

Step-by-step explanation:

step 1

Find the lateral surface of the cylinder (hot water tank)

The lateral area is given by the formula

$LA=2\pi r h$

we have

$r=13\ in\\h=75\ in$

substitute

$LA=2\pi (13)(75)$

$LA=1,950 \pi\ in^2$

step 2

Find the volume of fiberglass composite needed

Multiply the lateral area by the thick

$V=1,950 \pi (3)$

$V=5,850 \pi\ in^3$ -----> exact value

assume

$\pi=3.14$

$V=5,850(3.14)=18,369\ in^3$

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4 years ago

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Try to times the all together

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Answer:

Step-by-step explanation:

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