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pogonyaev
3 years ago
9

Explain, with at least 2 complete sentences, how to determine if a graph is a function or not.

Mathematics
1 answer:
mafiozo [28]3 years ago
8 0
You can determine whether a graph is a function or not if it’s points create a straight , consistent line. there will be no curves or intersecting lines on the graph.
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-4x+2y=5 is this in a standard form
soldier1979 [14.2K]

Right. Your answer is still no because your x-value needs to be positive.

8 0
3 years ago
Plz help! Ive been stuck on this for hours!!!!
Marysya12 [62]

Answer:

h\geq8

Step-by-step explanation:

h-(-2)\geq10=h+2\geq10

subtract 2 on both sides to get h\geq8

3 0
3 years ago
Read 2 more answers
Tanya spent $8.15 on 5 cans of tuna. She used a coupon that gave her 35 cents off each can. What was the price of a can of tuna
user100 [1]

she spent 1.98 ..............

5 0
3 years ago
Assuming that the equations define x and y implicitly as differentiable functions x=f(t),y=g(t) find the slope of the curve x=f(
Mumz [18]
The given equations are
x(t+1)-4t \sqrt{x} =9            (1)
2y+4y^{3/2}=t^{3}+t           (2)

When t=0, obtain
x=9 \\ 2y+4y^{3/2}=0 \,\,=\ \textgreater \ \, y(1+2 \sqrt{y} )=0 \,=\ \textgreater \ \,y=0

Obtain derivatives of (1) and find x'(0).
x' (t+1) + x - 4√x - 4t*[(1/2)*1/√x = 0
x' (t+1) + x - 4√x -27/√x = 0
When t=0, obtain
x'(0) + x(0) - 4√x(0) = 0
x'(0) + 9 - 4*3 = 0
x'(0) = 3
Here, x' means \frac{dx}{dt}.

Obtain the derivative of (2) and find y'(0).
2y' + 4*(3/2)*(√y)*(y') = 3t² + 1
When t=0, obtain
2y'(0) +6√y(0) * y'(0) = 1
2y'(0) = 1 
y'(0) = 1/2.
Here, y' means \frac{dy}{dt}.

Because \frac{dy}{dx} = \frac{dy}{dt} / \frac{dx}{dt}, obtain
\frac{dy}{dx} |_{t=0}\, =  \frac{1/2}{3}= \frac{1}{6}

Answer:
The slope of the curve at t=0 is 1/6.



3 0
3 years ago
How to write a decimal as a fraction?
love history [14]

Answer:

Step-by-step explanation:

Convert Decimals to Fractions

Step 1: Write down the decimal divided by 1, like this: decimal 1.

Step 2: Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)

Step 3: Simplify (or reduce) the fraction.

5 0
3 years ago
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