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posledela
3 years ago
13

Which is the axis of symmetry of a parabola with equation y=-8x

Mathematics
1 answer:
shepuryov [24]3 years ago
4 0

if Y=0 then all you have to do is find X so the axis of symmetry is X=0, I hope this helps

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Exponential function f is represented by the table. x -2 -1 0 1 2 f(x) -46 -22 -10 -4 -1 Function g is represented by the equati
Scrat [10]

The statement that describes better about function is "Both functions are increasing, but function g increases at a faster average rate." since option (c) is correct.

Given the table

x         f(x)

-2        -46

-1         -22

0         -10

1           -4

2          -1

We have to choose which statement describes better about function

Let us assume f(x)=ab^x+c

at x=0, f(0)=-10

So, -10 =a+c

Similarly, by satisfying the above table in the f(x)

f(x)=\frac{33}{5} (\frac{1}{11})^x-\frac{17}{5}

f'(x) > 0

So we can say that f(x) is an increasing function.

g(x) = - 18  (\frac{1}{3}  )^ x + 2

g^ \prime (x) = - 18 (\frac{1}{3}  )^ x  ln(1/3)

ln(1/3) < 0

So, g^ \prime (x) > 0

So, g(x) is an increasing function.

For any x∈f(x) and  x∈g(x) g'(x) > f'(x)

So, g increases at a faster average rate

Thus, Both functions are increasing, but function g increases at a faster average rate.

Learn more about increasing functions here: brainly.com/question/12940982

#SPJ10

7 0
1 year ago
$182 at 6% simple interest for 4 years. <br>Find the interest earned on the account​
White raven [17]
The interest is $43.68
5 0
3 years ago
Natalie can do 26 push ups in 2 minutes how many can she do in 7 minutes? set up porportion
Mumz [18]

Answer:

 In seven minutes she can do 91 push ups

Step-by-step explanation:

26*3=78

78+13=91

8 0
3 years ago
The camp director , Mrs Marshall, put all 1,265 backpacks on the bus. Each backpack weighed seven pounds. How many pounds did Mr
posledela

Answer: 8855 pounds

Step-by-step explanation: Simply multiply 1265 x 7

6 0
3 years ago
Read 2 more answers
6xy (1/2x ^2 - 1/2xy + 1/2y ^2 )
nevsk [136]
Is this correct on what you typed above -> \bf 6xy\left( \cfrac{1}{2x^2}-\cfrac{1}{2xy}+\cfrac{1}{2y^2} \right) ?
6 0
3 years ago
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