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2 years ago

13

Which set of ordered pairs does not represent a function? NEED THIS ASAP

1 answer:

Mamont248 [21]2 years ago

8 0

It’s the 2nd your welcome

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Which is f(-1) for the function f(x)= 3x^2+9

blsea [12.9K]

Answer:

C. f(-1) =12

Step-by-step explanation:

f(x)= 3x^2+9

Let x=-1

f(-1) = 3(-1)^2 +9

= 3(1)+9

= 3+9

= 12

f(-1) =12

4 0

3 years ago

Read 2 more answers

Please help me if you can thank you. For question A the answer is 5000 brochures. My question is how did they get that answer?

Sophie [7]

Answer:

Step-by-step explanation:

Company A's equation is 900+0.50x5,000

Company B's equation is 1,500+0.38x5,000

Both equal 3,400 and have to be multiplied by 5,000

8 0

2 years ago

6r + 7 = 13 + 7r what is r

kumpel [21]

Answer:

6r+7=13+7r

6r+7=7r+13

6r+7−7r=7r+13−7r

−r+7=13

−r+7−7=13−7

−r=6

$\frac{-r}{-1}$ = $\frac{6}{-1}$

r=−6

Step-by-step explanation:

:) This is the answer

6 0

2 years ago

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An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevatio

Firdavs [7]

Answer:

1035.33 feet

Step-by-step explanation:

h=900tan49

=1035.33 feet

I hope it helps

6 0

2 years ago

If you have $2500 how many board feet can you buy if the cost per board foot is $3.217

igor_vitrenko [27]

777 when rounded, or 777.1215418091389

3 0

2 years ago