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miss Akunina [59]
3 years ago
15

Can someone please tell me if these are correct?

Mathematics
2 answers:
Len [333]3 years ago
4 0

There are both correct. Good luck on the test sir.

iragen [17]3 years ago
3 0
Number one is correct and so is two
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Find (f•g)(1) f(x)= x^2-1 g(x)=sqrt x
Anastaziya [24]

Answer:

0

Step-by-step explanation:

So we have the two functions:

f(x)=x^2-1\text{ and } g(x)=\sqrt x

And we want to find:

(f\cdot g)(1)

This is the same as:

=f(1)\cdot g(1)

So, let's find f(1) and g(1):

f(1)=(1)^2-1

Square:

f(1)=1-1

Subtract:

f(1)=0

g(1)=\sqrt1

Evaluate:

g(1)=1

So:

(f\cdot g)(1)=f(1)\cdot g(1)=0\cdot1

Multiply:

=0

So, our answer is 0.

And we're done!

7 0
3 years ago
What is 3/7 - 2/7 this is unlike factors
stiks02 [169]

Answer:

\frac{1}{7}

Step-by-step explanation:

Since they have the same denominator (the number on the bottom), you can just subtract the numerators (the numbers on the top). So 3-2 is 1. You always leave the denominator as it is, don't subtract it.

6 0
3 years ago
Read 2 more answers
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Vera_Pavlovna [14]

Answer:

  see below

Step-by-step explanation:

The points at the corners of the given figure are ...

  (0, 0), (0, 4), (3, 4), (3, 0)

When the figure is scaled by a factor of 1/3, each of the coordinates is multiplied by 1/3:

  (0, 0), (0, 4/3), (1, 4/3), (1, 0) . . . . . points scaled by 1/3

When the figure is scaled by a factor of 3/2, each of the coordinates is multiplied by 3/2:

  (0, 0), (0, 6), (9/2, 6), (9/2, 0) . . . . . . points scaled by 3/2

__

The points that are on your list are shown in bold above.

6 0
3 years ago
Given the definitions of f (x) and g(x) below, find the value of (g • f)(9).
Stells [14]

9514 1404 393

Answer:

  (g·f)(9) = 496

Step-by-step explanation:

One way to do this is to find the values of g(9) and f(9).

  g(9) = (3x -1)x +14 = (3(9) -1)(9) +14 = 26(9) +14 = 248

  f(9) = -(9) +11 = 2

Then ...

  (g·f)(9) = g(9)·f(9) = 248·2

  (g·f)(9) = 496

8 0
3 years ago
Can you help me in rule? <br><br> I am doing it right?
forsale [732]
The rule would be ~y=4x+3~

Hope this helps

Have a great day/night

Feel free to ask any questions
6 0
3 years ago
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