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EastWind [94]
2 years ago
14

Which of the functions is a linear function? PLEASE I NEED HELP!! A) y = x to the 3 power + 3 B) y = 2/x + 2 C) y = 3x to the 2

power +1 OR D) y = 4x - 8
Mathematics
1 answer:
Nata [24]2 years ago
8 0
<h3>Answer:  D) y = 4x - 8</h3>

========================================================

Explanation:

All linear functions can be written into the form y = mx+b

m = slope

b = y intercept

Choice D is of that form. In this case, m = 4 and b = -8

Choices A and C involve exponents larger than 1, which is why we don't have linear equations here. If you were to graph these, you'll find they produce nonlinear curves (i.e. curves that aren't straight lines). The same goes for choice B as well. Linear equations cannot have x in the denominator.

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(1.7 x 10^4) x (8.5 x 10 ^2)
vlabodo [156]

Answer:

144500

Step-by-step explanation:

8 0
3 years ago
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The point (21,32) is on a line with slope 1.5.
Oxana [17]
We can use the equation: y=mx+b
x represents the x-value, y represents the y-value, m represents slope, and b represent the y-intercept.

We must plug in what we know in order to find the value of b.
32 = 1.5*21 + b
32 = 31.5 + b
So b = 0.5

Now we know our equation is y = 1.5x + 0.5

We can find any other point on the line by plugging in any x-value. Let's try 5.
y = 1.5*5 + 0.5
So y =8 and our point is (5,8)
7 0
3 years ago
The region bounded by y=(3x)^(1/2), y=3x-6, y=0
Ganezh [65]

Answer:

4.5 sq. units.

Step-by-step explanation:

The given curve is y = (3x)^{\frac{1}{2} }

⇒ y^{2} = 3x ...... (1)

This curve passes through (0,0) point.

Now, the straight line is y = 3x - 6 ....... (2)

Now, solving (1) and (2) we get,

y^{2} - y - 6 = 0

⇒ (y - 3)(y + 2) = 0

⇒ y = 3 or y = -2

We will consider y = 3.

Now, y = 3x - 6 has zero at x = 2.

Therefor, the required are = \int\limits^3_0 {(3x)^{\frac{1}{2} } } \, dx - \int\limits^3_2 {(3x - 6)} \, dx

= \sqrt{3} [{\frac{x^{\frac{3}{2} } }{\frac{3}{2} } }]^{3} _{0} - [\frac{3x^{2} }{2} - 6x ]^{3} _{2}

= [\frac{\sqrt{3}\times 2 \times 3^{\frac{3}{2} }  }{3}] - [13.5 - 18 - 6 + 12]

= 6 - 1.5

= 4.5 sq. units. (Answer)

7 0
3 years ago
Simplify each polynomial 2x^2+8-4x+3x-6x6^2+7
Naddika [18.5K]

Answer:


Step-by-step explanation:

2

x

2

+

8

−

4

x

+

3

x

−

6

x

2

+

7

 

Subtract  

6

x

2

from  

2

x

2

.

−

4

x

2

+

8

−

4

x

+

3

x

+

7

Add  

8

and  

7

.

−

4

x

2

−

4

x

+

3

x

+

15

Add  

−

4

x

and  

3

x

.

−

4

x

2

−

x

+

15


6 0
3 years ago
HURRY PLS ANSWER NOW!!
ivolga24 [154]

Answer:

91 in2

Step-by-step explanation:

11+15 over 2 , times by 7 equals 91 ??

8 0
2 years ago
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