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Mars2501 [29]
3 years ago
9

How do I know whether something is a function or not? Answer the worksheet please

Mathematics
1 answer:
djyliett [7]3 years ago
6 0
Because you if it changes its a function
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Find the slope of the line that passes through the points (­-8, ­-3) and (2, 3)
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Answer:

c

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 8, - 3) and (x₂, y₂ ) = (2, 3)

m = \frac{3+3}{2+8} = \frac{6}{10} = \frac{3}{5} → c

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Three pieces are left. Hope this helps!

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blagie [28]

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Step-by-step explanation:

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3 years ago
I have an hour to finish, help a girl out
mr_godi [17]

If you're going to use technology (Brainly) to solve this problem, you might find you get a quicker answer using the technology of your graphing calculator.

It is often convenient to cast the problem in the form f(θ) = 0. You can do that by adding 1 to both sides of the equation.

4\sqrt{2}\cos{(\theta)}+4=0\\ \cos{(\theta)}+\dfrac{1}{\sqrt{2}}=0\qquad\mbox{divide by $4\sqrt{2}$}\\ \cos{(\theta)}=\dfrac{-\sqrt{2}}{2}\qquad\mbox{subtract $\dfrac{1}{\sqrt{2}}$}\\\\ \theta=\{\dfrac{3\pi}{4},\dfrac{5\pi}{4}\}\qquad\mbox{determine the corresponding angles}

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At a carnival, single rides cost $2 each, and all day ride passes cost $15. The total revenue for the day was $2,960.
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Answer:

2x+15y=2960

Step-by-step explanation:

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