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Ainat [17]
3 years ago
15

What the method and answer for Q8and9

Mathematics
1 answer:
olga55 [171]3 years ago
7 0
For #8, it's approximately 2.5


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Please help! It's due soon.
Sedbober [7]

Answer:

Because f(g(x)) = g(f(x)) = x, f and g <u>are </u> inverse functions.

Step-by-step explanation:

f(g(x)) = f(\frac{1}{4}\sqrt{x}) = 16(\frac{1}{4}\sqrt{x} ) ^{2} = 16(\frac{1}{16}x)=x

g(f(x)) = g (16x^{2}) = \frac{1}{4}\sqrt{16x^{2} } = \frac{1}{4}(4x) = x

6 0
3 years ago
Write in standard form the equation of the line that has a slope of 2 and that passes through ( 3, -1) explain please!
Evgesh-ka [11]
Standard form.

y=mx+n

Where m is the slope and n is the point where x=0. Then, you have,
y=2x+n


To obtain n use the point they give you,

-1=2(3)+n

So n=-7 and then

y=2x-7
7 0
2 years ago
What is the value of f(x) = 3x -12 for anx = 9
pshichka [43]

Answer:

15

Step-by-step explanation:

f(x) = 3x -12 for x = 9

f(9) = 3(9) -12

27-12

15

6 0
3 years ago
What is the equation of the line that passes through the point (8,6)(8,6) and has a slope of 3 over 2 slash 3/2?
kow [346]

Answer:

it will be equal 0

Step-by-step explanation:

8 0
3 years ago
One angle of a triangle is 50 degrees greater than the smallest​ angle, and the third angle is 10 degrees less than twice the sm
tia_tia [17]
All 3 angles of a triangle must equal to 180. You can simply set up an equation to solve this and set it equal to 180.

Angle 1 - 50 + x
Angle 2 - x
Angle 3 - 2x -10

50+x+x+2x-10=180
4x+40=180
4x=140
x=35

Angle 1 = 50+35= 85
Angle 2 = 35
Angle 3 = 2(35) - 10 = 60

60+35+85=180

6 0
3 years ago
Read 2 more answers
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