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photoshop1234 [79]

3 years ago

14

Is 3x^2 − y = 5 a function or not a function

1 answer:

kakasveta [241]3 years ago

8 0

hi!

its not a function since it has a =5

this is an equation

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Add: (3x2 - 5x + 6) + (9 - 8x - 4x2) A) 12x2 - 13x + 2 B) 7x2 + 3x - 3 C) 7x2 - 13x + 15 D) -x2 - 13x + 15

kati45 [8]

Answer:

D

Step-by-step explanation:

So we have the expression:

$(3x^2-5x+6)+(9-8x-4x^2)$

Combine like terms:

$=(3x^2-4x^2)+(-5x-8x)+(6+9)$

Add or subtract:

$=(-1x^2)+(-13x)+(15)$

Simplify:

$=-x^2-13x+15$

Our answer is D

4 0

2 years ago

For Matthew's lemonade recipe, 4 lemons are required to make 6 cups of lemonade. At what rate are lemons being used in cups of l

Svetlanka [38]

Answer:

1.5 cups of lemonade per 1 lemon

Step-by-step explanation:

find the unit rate:

4/4=1

6/4=1.5

1.5 cups of lemonade per 1 lemon

I hope I read this correctly

3 0

2 years ago

0.5×- 1.2 =0.4× + 3.3

Dennis_Churaev [7]

Answer:

0.02

Step-by-step explanation:

0.5 x - 1.2 = 0.4x + 3.3

0.1x = 4.5

x = 0.02

Hope that helps!

3 0

2 years ago

Six more than three times a number w. <br> An expression for this phase is..? <br><br> (Please help)

satela [25.4K]

Answer:6+3w

Step-by-step explanation:

So, our number is "W"

SO, 6 more than three times w is

6+3w

Three times w=3w

Then, it says 6 more, so we add 6

8 0

2 years ago

Read 2 more answers

Write an equation in slope-intercept form of the line that passes through the givin point and is parcel to the graph of the give

Serhud [2]

The answer is X=4.

It is both parallel to x=-3 and passes through (4,2)

5 0

3 years ago