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dalvyx [7]
2 years ago
10

EASY POINTS!!

Mathematics
1 answer:
MrRissso [65]2 years ago
4 0
<h2>True </h2>

<h3>This curve passes the vertical line test, therefore it is a function.</h3>

<h3>The idea behind the vertical line test is that if you draw any vertical line, it has to intersect the curve only once. If there is more than 1 intersection, then it is not a function.</h3>

ps: This is a quadratic function of equation

f(x) =  - x {}^{2}  + 4

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Answer:

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Difference = 9 - 5 = $4

Assume all 70 are child's tickets

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But the total cost was 550

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The $200 must have come from Adult's tickets, which has a difference of $4.

200 ÷ 4 = 50

So there are 50 adult's tickets.

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