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3 years ago

Need help on this problem Multiple questions

Mathematics

1 answer:

umka21 [38]3 years ago

7 0

answer: a. input, output

explanation: this is because the x values can not repeat in a function. if they do, they would not pass the vertical line test, and therefore it would not be a function. so, each input and output must be different values. :)

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If a function f(x)=x^3 has the domain {-3,0,2,4} what is it's range

torisob [31]

27, 0, 8, 64
All u need to do is cube all the numbers in the domain

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3 years ago

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Keegan leans an 18-foot ladder against the top of a wall. The bottom of the ladder is 4.5 feet from the base of the wall. What i

zaharov [31]

Answer: C. 17.5 feet

Step-by-step explanation:

The attached photo shows the triangle ABC formed by the ladder and the wall. It is a right angle triangle because one of its angles is 90 degrees. The ladder is the hypotenuse of the triangle. To determine the height of the wall, we would find BC by applying Pythagoras theorem

Hypotenuse^2 = opposite ^2 + adjacent^2

18^2 + 4.5^2 + BC^2

BC^2 = 324 - 20.25 = 303.75

BC = √303.75 = 17.5 feet.

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3 years ago

What is 528 1/5 - 89 3/5

sergiy2304 [10]

The answer is 438.6...
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3 years ago

CAN SOME ACTUALLY HELP ME PLEASE!!!!!!!!!!!!!!!!!!

Ahat [919]

Answer:

(1, No, No) (2, No, Yes) (3, 6x^2+10) (4, 2x^2-3) (5, x^2-x) (6, -2x^4+12x+3)

(7, 3x^3+15x^2+20) (8, 9x^3 + 4x^2+8x) (9, xy+2x+6y+5) Sorry didn't have an answer for 10. I hope they are all correct sorry for the wait.

Step-by-step explanation:

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3 years ago

Which is the greatest to least, 12 3/4, 12 3/5 and 12.7

Ne4ueva [31]

Answer:

12 3/4, 12.7, 12/5

Step-by-step explanation:

12 3/4 = 12.75

12 3/5 = 12.6

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2 years ago

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