4 years ago

HELPPPPPPPPPP!!!!!!!!!!!

Mathematics

1 answer:

photoshop1234 [79]4 years ago

8 0

B. 30% is the answer

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A third-degree polynomial function f has real zeros -2, ½, and 3, and its leading coefficient negative. Write an equation for f.

Rom4ik [11]

F(x) = k(x+2)(2x-1)(x-3), where k is some constant
= k(2x^3-3x^2-11x+6)
= k(-2x^3+3x^2+11x-6)

k defines some vertical stretch, so there are an infinitely many solutions for f(x).

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4 years ago

mandy,jermey and lily went to an amusement park during their summer vacation mandy spent 16.25$ at the amusement park jermey spe

erastovalidia [21]

Mandy: $16.25
Jermey: $16.25 + $3.40 = $19.65
Lily: $19.65 x 2 = $39.30
For Lily you would take the total of Jermey and times it by 2.

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3 years ago

Which statement is true about the function f(x)= √x?

AlexFokin [52]

Answer:

The range of the graph is all real numbers greater than or equal to 0.

Step-by-step explanation:

we have

$y=\sqrt{x}$

using a graphing tool

The graph in the attached figure

step 1

Find the domain

we know that the radicand of the function must be greater than or equal to zero

The domain is the interval ------> [0,∞)

$x\geq0$

All real numbers greater than or equal to zero

step 2

Find the range

The range is the interval -----> [0,∞)

$y\geq0$

All real numbers greater than or equal to zero

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3 years ago

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9-x/5=3 solve the folloswing equation for x

Debora [2.8K]

Answer:

x = 30

Step-by-step explanation:

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3 years ago

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Each week, Rosario drives to an ice skating rink that is 120 miles away. The round-trip takes 2.75 hours. If he averages 55 mile

Aneli [31]

A

120/55 will give you the time it takes him to get there. If you subtract that value from both sides, you'd have:

120/x = # hours left

From there you could easily solve his average speed home.

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4 years ago

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