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andreev551 [17]
3 years ago
10

Graph the linear function. f(x)=x+2 HELP PLEASE

Mathematics
1 answer:
Serggg [28]3 years ago
7 0

Hey there!

Graphing this will be similar to graphing slope intercept equations (y=mx+b).

As you can see, we have a slope of 1 and a y-intercept of two when you look at the equation and match it up with the slope intercept form Let's look at each answer option and see which one fits.

--------------------------------------------------------------------------------------------

GRAPH A

Graph A does have a y-intercept of two. This means that the line crosses the y-axis at two units up from the origin. However, it has a negative slope because it is going downwards rather than upwards. The slope of our function is positive, so Graph A does not match.

--------------------------------------------------------------------------------------------

GRAPH B

Graph B does have a positive slope of one (a slope of one means that it goes diagonally across every small square on the grid), but it's y-intercept is -2 because it hits the y-axis at 2 down from the origin. Therefore, Graph B does not match this function.

--------------------------------------------------------------------------------------------

GRAPH C

Graph C both goes downward (negative slope) and it hits the y-axis at -2 instead of 2 (wrong y-intercept). Therefore, Graph C does not match the function.

--------------------------------------------------------------------------------------------

GRAPH D

Graph D has a y-intercept of 2 and it has a positive slope of one! Therefore, Graph D does match this function.

--------------------------------------------------------------------------------------------

The correct answer is Graph D.

I hope that this helps! Have a wonderful day!

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Step 1: Use Distributive Property
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Step 2: Combine Like Terms
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Step 3: Solve
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      -2 = x + 10
    -10         -10
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    -12 = x





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Meldie made a cube whose side is (3x - 2) inches. Find its volume in cubic inches.
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Volume = v, abc = 3 sides of cube (height, width, length)

Using the formula for volume in a cube,

v = abc

We can solve this.

If one side is (3x-2)in,

  • (3x-2)(x)(x) = v.... x are the other two sides
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x^2(3x-2) cubic inches OR in^3

If all sides are (3x-2)in,

Use the formula,

(a - b) ^{3}  =  {a}^{3}  + 3ab(b - a) -  {b}^{3}

We can solve this.

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3x { 3 [ 3x ( x - 2 ) + 4 ] } - 8 cubic inches OR in^3

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If you have any questions regarding formulas or anything, comment and I will get back to you asap.

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