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attashe74 [19]
4 years ago
14

On a coordinate plane, what is the distance between the point at (1, 9) and the point at (4, 9)? (Hint: Look at the x-coordinate

s)
.
.
.
I need help please!
Mathematics
2 answers:
Lesechka [4]4 years ago
8 0

Answer:

D=3

Step-by-step explanation:

D= The square root of (4-1)^2 +(9-9)^2

D= The square root of (3)^2 +(0)^2

D= The square root of 9

D= 3

TiliK225 [7]4 years ago
7 0

Answer:

The answer is 3 units apart.

Step-by-step explanation:

The points are (1,9) and (4,9). The y-coordinates are the same. The x-coordinates are different. To find the difference between them, you must subtract them. 4-1=3, so the points are 3 units apart!

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Annette [7]

Answer:

y=-3/7x+3

Step-by-step explanation:

A(0;3) B(7;0)

(y-yA)/(yB-yA)= (x-xA)/(xB-xA)

y-3/-3= x/7

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6 0
3 years ago
(A) find F(x) for the indicated values of x, if possible
dem82 [27]

Answer:

A) The indicated values of F(x) for x=-3 and x=5 are F(-3)=-27  and F(5)=125

B) The domain of f is the set of all real numbers

Step-by-step explanation:

Given that the function F is defined by

F(x)=x^3 for x=-3,5

A) To find F(x) for the indicated values of x :

Given F(x)=x^3 for x=-3,5

  • Put x=-3 in the given function

F(-3)=(-3)^3

=(-3)\times (-3)\times (-3)

=-27

Therefore F(-3)=-27

  • Put x=5 in the given function

F(5)=(5)^3

=(5)\times (5)\times (5)

=125

Therefore F(5)=125

The indicated values of F(x) for x=-3 and x=5 are F(-3)=-27  and F(5)=125

B) To find the domain of f :

The domain of the f in the given expression is the set of all real numbers except where the expression x^3 is undefined. In this case, there is no real number that makes the expression undefined.

The domain of f is the set of all real numbers

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