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Digiron [165]
3 years ago
6

In the notation "s(x) = ...," what does "s(x)" represent?

Mathematics
1 answer:
Yuri [45]3 years ago
7 0

Answer:it is B

Step-by-step explanation:

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If possible, factor 9x2 − 625y2.
Igoryamba

Answer:

(3x - 25y)(3x + 25y)

Step-by-step explanation:

9x² - 625y² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Given

9x² - 625y²

= (3x)² - (25y)²

= (3x - 25y)(3x + 25y)

3 0
3 years ago
Read 2 more answers
Write the equation of the circle with the given center and radius.
34kurt

Step-by-step explanation:

The standard equation of a circle is (x - h)^2 + (y - k)^2 = r^2

Center = (h, k)

#1

Center = (0,2)

h = 0

k = 2

r = 5

(x - h)^2 + (y - k)^2 = r^2

(x - 0)^2 + (y - 2)^2 = 5^2

#2

Center = (-4,-5)

h = -4

k = -5

r = \sqrt{2}

(x - h)^2 + (y - k)^2 = r^2

(x - (-4))^2 + (y - (-5))^2 = \sqrt{2}^2

(x + 4))^2 + (y + 5))^2 = \sqrt{2}^2

#3

Center =(-1,3)

h = -1

k = 3

r = 8

(x - h)^2 + (y - k)^2 = r^2

(x - (-1))^2 + (y - 3)^2 = 8^2

(x + 1)^2 + (y - 3)^2 = 8^2

#4

Center: (9,0)

h = 9

k = 0

r = \sqrt{3}

(x - h)^2 + (y - k)^2 = r^2

(x - 9)^2 + (y - 0)^2 = \sqrt{3}^2

4 0
3 years ago
Please Help!!<br> f(x) = square root of x plus 7 ; g(x) = 8x -11 <br> Find f(g(x))
Sonja [21]

I'm not sure if you mean ( \sqrt{x + 7} ) or ( \sqrt{x}  + 7 ) I solved it both ways .

f(x) =  \sqrt{x + 7}  \\  \\ f( \: g(x) \: ) =  \sqrt{(8x - 11)+ 7}  \\  =  \sqrt{8x - 11 + 7}  \\   =  \sqrt{8x - 4}  \\  = 2 \sqrt{2x - 1}

____o_____o______

f(x) =  \sqrt{x}  + 7 \\  \\ f( \: g(x) \: ) =  \sqrt{(8x - 11)}  + 7 \\  =  \sqrt{8x - 11}   + 7\\

I hope I helped you^_^

8 0
3 years ago
Ill put in 15 for this one. Easy.
steposvetlana [31]

Answer: D.

Step-by-step explanation: You can't have 2 y of the same y axis numbers in a function and A isn't correct because it doesn't go in order.

5 0
3 years ago
Stan and hilda can mow the lawn in 60 minutes if they work together. if hilda works three times as fast as stan, how long does i
Artyom0805 [142]
It will take Stan 15 minutes.
3 0
3 years ago
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