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mart [117]
3 years ago
8

Sketch the graph of each line by identifying the x-and y-intercepts.

Mathematics
1 answer:
Alexxx [7]3 years ago
7 0

Answer:

Slope: 5/3, Y-intercept: (0,-3)

Step-by-step explanation:

`

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Which represents the inverse of the function f(x) = 4x?
Natali5045456 [20]

Answer:

f^-1 (x) = x/4

Step-by-step explanation:

3 0
3 years ago
Sarah and four friends are decorating picture frames with ribbon they have four rolls of ribbon to share evenly how much does ea
Tpy6a [65]
80% of a roll each

4/5=0.8 

x 100 = 80%

8 0
3 years ago
50Pts guys!!!! Please help me its easy!
mote1985 [20]

Answer:

c. f(x)=x(x+2)(x-1)(x-4)

Step-by-step explanation:

Where it says "as x goes to negative infinity" then "y goes to infinity" (that's the part with the infinity symbols) that means the graph is going up at it's left end. This curve is a quartic (4th degree) which means its left and right ends are kind of parabola-ish, but the middle is not the neat u-ish, v-ish shape of a parabola; it's more like a wonky, noodle-ish wavy affair. Anyway, LIKE a parabola when the beginning of the equation is positive, the two ends point up. That's what's happening here and so we can eliminate b. and d. as potential answers.

Since -2, 0, 1, 4 are zeros (which are solutions...and also x-intercepts) we can find the factors of the function.

If x = -2

ADD 2 to both sides.

x + 2 = 0

This means (x+2) is a factor.

This is enough info to select answer c. but let's verify the other factors.

If x = 1

SUBTRACT 1 from both sides.

x - 1 = 0

Thus means (x - 1) is a factor.

If x = 4

SUBTRACT 4 from both sides.

x - 4 = 0

(x - 4) is a factor.

You can see c. has all these factors as well as x, because x=0 already, so x is a factor too.

I think of this as a working backwards problem, bc usually you have to factor and solve. This one, you have solutions (which are zeros and x-intercepts) and work backwards to find factors and multiply them together to find the function.

5 0
2 years ago
Is (-5,-5) a solution of y \geq -2x +4y≥−2x+4 ?
FromTheMoon [43]

Answer:

  No

Step-by-step explanation:

Substitute the values and see.

  -5 ≥ -2(-5) +4

  -5 ≥ 14 . . . . . . . . FALSE

The point (-5, -5) is <em>not a solution</em> to the inequality

  y ≥ -2x +4

___

A graph can quickly show you this.

7 0
3 years ago
WILL GIVE BRAINLIEST IF CORRECT
Mazyrski [523]

Answer:

E

Step-by-step explanation:

6 0
3 years ago
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