3 years ago

Which relation is a function?

Mathematics

1 answer:

Tomtit [17]3 years ago

8 0

Answer:

every function is a relation, but every relation is not function.

Answer: B

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a forest covers 47,000 acres. a survey finds that 0.2% of the forest is old growth trees. How many acres of old growth are there

Alex_Xolod [135]

Answer:

9400

Step-by-step explanation:

I'm not really sure if this is right but I changed 0.2% to 1/5 and 1/5 is 9400. Hope this is right!

4 0

3 years ago

6. Solve the following equation for x. Show each step.<br> 5x + 2 = 3x + 4(2x - 1)

monitta

Answer:

x=1

Step-by-step explanation:

5x + 2 = 3x + 4(2x - 1)

Distribute the 4

5x + 2 = 3x + 8x - 4

Combine like terms

5x + 2 = 11x - 4

Subtract 5x from each side

5x -5x + 2 = 11x - 5x - 4

2 = 6x-4

Add 4 to each side

2+4 = 6x-4+4

6 = 6x

Divide each side by 6

6/6 =6x/6

1= x

4 0

3 years ago

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If f(x) = 2x - 6 and g(x) = 3x + 9, find (f + g)(x)

alex41 [277]

Answer:

5x+3

Step-by-step explanation:

$(f + g)(x) = f(x) + g(x) \\ =2x - 6 + 3x + 9 \\ = 5x + 3$

consider marking as Brainliest if this helped

5 0

3 years ago

Solve for F: C=5/9(F-32)<br> please explain process thanks

timama [110]

$C=\frac{5}{9}(F-32)\ \ \ \ /\cdot\frac{9}{5}\\\\F-32=\frac{9}{5}C\ \ \ \ /+32\\\\F=\frac{9}{5}C+32\\\\F=\frac{9C}{5}+\frac{160}{5}\\\\F=\frac{9C+160}{5}$

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3 years ago

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In this diagram, which equation could you prove to be true in order to conclude that the lines are parallel?

Sladkaya [172]

THE ANSWER:

c−ab=de

THIS IS WHY:

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3 years ago