2 years ago

Can someone help asap, please? Select all of the graphs that represent functions.

Mathematics

1 answer:

Degger [83]2 years ago

8 0

B is the answer , because in functions, we can’t have two X for one Y

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F(-12) if f(x) = 2x + 15

Alenkinab [10]

Answer: $f(-12)=-9$

Step-by-step explanation:

We have the following function:

$f(x)=2x+15$

And we have to evaluate it when $x=-12$ , this means we have to substitute $x$ by $-12$ :

$f(-12)=2(-12)+15$

Solving:

$f(-12)=-24+15$

Finally:

$f(-12)=-9$

8 0

3 years ago

There are 800 members in an astronomy club, and 320 of them are females. What percent of the members are males.

Liula [17]

ANSWER: 60% of the members are males

How?
-800 total
-320 females
800 - 320 = 480
480/800 = 0.6

Hope this Helps!

8 0

3 years ago

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Solve the for the inequality

Naddika [18.5K]

Answer:

k ≥ -18

Step-by-step explanation:

$-8\leq \frac{2}{5}(k-2)\\\\-8(5)\leq (5)\frac{2}{5}(k-2)\\\\-40\leq 2(k-2)\\\\\frac{-40}{2}\leq \frac{2(k-2)}{2}\\\\-20\leq k-2\\\\-20+2\leq k-2+2\\\\-18\leq k$

5 0

2 years ago

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Daniel's tennis team made $582.85 from running the concession stand at a basketball game. The food and drinks cost the team $64.

Flura [38]

Let x be the number of members in Daniel's tennis team.

The amount made = $582.85

Expenses (food and drinks) = $64

Balance remaining for sharing = 582.85 - 64 = $518.85

Amount received by each player = (amount made - Expenses) / Number of members = 518.85/x

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3 years ago

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What is the diameter of a cone if the volume is 134 and the height is 8

patriot [66]

Answer:

times it

Step-by-step explanation:

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3 years ago