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3 years ago

5

Find an equation for the following.X: 0, 1, 2 Y: 3, 5, 7

2 answers:

joja [24]3 years ago

5 0

Try plotting the points on a graph, it might make it a bit easier to figure out an equation

Studentka2010 [4]3 years ago

3 0

Try plotting the points on a graph and it will make it a little easier

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I need help please with this 1 problem

Lyrx [107]

Answer:

See below, please

Step-by-step explanation:

We know

$f(x) = {x}^{2} + 3x - 7$

$g(x) = 3x + 5$

$h(x) = 2 {x}^{2} - 4$

Hence

$f(g(x))$

$= {(3x + 5)}^{2} + 3 \times (3x + 5) - 7$

$= (9 {x}^{2} + 30x + 25) + (9x + 15) - 7$

$= 9 {x}^{2} + 39x + 33$

$h(g(x))$

$= 2 \times {(3x + 5)}^{2} - 4$

$2 \times (9 {x}^{2} + 30x + 25) - 4$

$= 18 {x}^{2} + 60x + 50 - 4$

$= 18 {x}^{2} + 60x + 46$

$(h - f)(x)$

$= h(x) - f(x)$

$= (2 {x}^{2} - 4) - ( {x}^{2} + 3x - 7)$

$= {x}^{2} - 3x + 3$

$(f + g)(x)$

$= f(x) + g(x)$

$= ( {x}^{2} + 3x - 7) + (3x + 5)$

$= {x}^{2} + 6x - 2$

5 0

2 years ago

What are the values of x and y in the figure shown below?

n200080 [17]

First let's find y. We know the sum of angles equals 180, so if we add the angles of ABC, we'd get 180.
30+y+80+y=180
110+2y=180
2y=70
y=35

You could solve x ,but the only response with y=35 is c. But to solve for x, you'd ad 35 35 and xwhich would equal 180.
35+35+x=180
70+x=180
x=110

5 0

3 years ago

Given that c=9, b=15, and C=29 degrees, find the measure of angle B

raketka [301]

Use the Sine Rule:-

b / sin B = c / sin C

15 / si n B = 9 / sin 29

sin B = 15* sin 29 / 9 = 0.8080

B = 53.90 degrees

8 0

3 years ago

the price of grapes at the grocery store is 1.44 per pound. There are approximately 0.45 kilograms in a pound. To the nearest pe

4vir4ik [10]

1 kg = 1pound/0.45=2.2222(2) pounds
1.44*2.222(2)=3.11 dollars per kilogram
Price of grapes is 3.11 dollars per kilogram

6 0

3 years ago

Please help! will make brainly

aalyn [17]

The order from least to greatest is:

E, D, A, B, C

5 0

3 years ago