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ladessa [460]
2 years ago
7

GIVING BRAINLIEST!!! Which function grows at the fastest rate for increasing values of x? YOU CAN CHOOSE MORE THAN 1 BTW

Mathematics
2 answers:
Leno4ka [110]2 years ago
6 0
Is b is 5x^2 then b would be the correct answer.
ziro4ka [17]2 years ago
6 0

Answer:

f(x)=2\cdot 3^x has fastest rate for increasing value of x

Step-by-step explanation:

Given:

g(x)=10x+15

h(x)=5x^2+x+10

f(x)=2\cdot 3^x

We are given three function to choose fastest rate for increasing value of x .

\text{Linear: }g(x)=10x+15

g(x) is linear function because the power of x is 1.

\text{Quadratic: }h(x)=5x^2+x+10

h(x) is quadratic function because power of x is 2

\text{Exponential :}f(x)=2\cdot 3^x

f(x) is exponential function because x as power.

Order of rate of increasing of growth function for increasing value of x

Exponential > Quadratic > Linear

  f(x) > h(x) > g(x)

Please see the attachment for increasing order of function.

Hence, f(x)=2\cdot 3^x has fastest rate for increasing value of x

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The answer is d. (-3,8.)

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Find the value of x cubed minus 2x squared minus 7x + 5 of x=1/2-√3 ​
Svetach [21]

9514 1404 393

Answer:

  3

Step-by-step explanation:

For f(x) = x^3 -2x^2 -7x +5 and x=1/(2-√3), we have ...

  f(x) = ((x -2)x -7)x +5

and ...

  x = 1/(2-√3) = (2+√3)/(2^2 -3) = 2+√3

Then ...

  f(2+√3) = ((2 +√3 -2)(2 +√3) -7)(2 +√3) +5

  = (3+2√3 -7)(2+√3) +5

  = 2(√3 -2)(√3 +2) +5 = 2(3 -4) +5 = -2 +5

  f(1/(2 -√3)) = 3

_____

If you really mean x = (1/2) -√3, then f(x) = (42√3 -3)/8.

6 0
2 years ago
What is the angle of elevation of the sun when a 42​-ft mast casts 16 ft​ shadow?<br> thanks
Elden [556K]

Answer:

Heres how you do it

Step-by-step explanation:

10+2 =12 which means 72

6 0
3 years ago
In circle O, RT and SU are diameters.
nataly862011 [7]

In circle O, RT and SU are diameters. mArc R V = mArc V U = 64°. Thus, option C is correct.

Given that:

mArc R V = mArc V U,

Angle S O R = 13 x degrees

Angle T O U = 15 x - 8 degrees

<h3>How to calculate the angle TOU ?</h3>

∠SOR = ∠TOU  (Vertically opposite angles are equal).

Therefore:

13 x = 15x - 8

Subtracting 13x from both sides

13x - 13x = 15x - 8 - 13x

0 = 15x - 13x - 8

2x - 8 = 0

Adding 8 to both sides:

2x - 8 + 8 = 0 + 8

2x = 8

2x/2 = 8/2  

x = 4

∠SOR = 13x

= 13(4)

= 52°

∠TOU = 15x - 8

= 15(4) - 8

= 60 - 8

= 52°

Let a = mArc R V = mArc V U

Therefore:

mArc R V + mArc V U + ∠TOU = 180 (sum of angles on a straight line)

Substituting:

a + a + 52 = 180

2a = 180-52

2a = 128

a = 128/2

a= 64°

mArc R V = mArc V U = 64°

In circle O, RT and SU are diameters. mArc R V = mArc V U = 64°. Thus, option C is correct.

Learn more about angles here:

brainly.com/question/2882938

#SPJ1

6 0
1 year ago
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