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ZanzabumX [31]
3 years ago
7

B. How to determine whether a graph of a mathematical relationship is a function

Mathematics
2 answers:
cricket20 [7]3 years ago
7 0

Answer:Vertical line test

Step-by-step explanation:If it goes through more than one line it’s wromg.

pav-90 [236]3 years ago
4 0

Answer:

See below.

Step-by-step explanation:

If any straight vertical line you draw on the coordinate plane only passes through one point on the graph, then it is a function, otherwise it is not a function.

For example a circle would not be a function because  the line might pass through 2 points on the circle.

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what are the slope, X-intercept, and Y-intercept of the line represented by the equation? 5y = 10 - 15
abruzzese [7]
<span>5y = 10x - 15
 y = -5x - 3
so slope = -5

x - intercept when y = 0
</span> -5x - 3 = 0
 -5x = 3
    x = -3/5
(-3/5, 0)
y - intercept when x = 0 then y = -3 (0,-3)

answer
slope = -5
x-intercept (-3/5,  0)
y-intercept (0, -3)
5 0
3 years ago
Marie is saving $75 each week so she can buy a new laptop which costs $1200. She has already saved $125. Find the minimum number
hjlf

Answer:

Step-by-step explanation:

125+75w\ge 1200\\ \\ 75w\ge 1075\\ \\ w\ge 14.33\\ \\ \text{So she must save for at least 15 weeks.}

5 0
3 years ago
9. Derrick invested $40,000 in a 529 college fund for his son. If the
tino4ka555 [31]

Answer:

the answer is c

Step-by-step explanation:

3 0
3 years ago
Evaluate the following expression for n=8 4+(n-2)divided by 3
Anna71 [15]
I think the answer would be 6.

Since n=8,

the equation could be rewritten as 4+(8-2)÷6

There is a rule called PEMDAS

Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

When solving equations, we should follow this rule.

Since there are parenthesis in the equation, we have to solve inside it first. Inside the parenthesis, we see the equation 8-2. 8-2 would equal 6. Then the whole equation would become 4+6÷3. Since division is the next operation in the equation(according to PEMDAS), we divide. 6÷3 would equal 2. Then the equation becomes 4+2. 4+2 would equal 6. Then the answer would be 6. I hope this helped :)
8 0
3 years ago
PLEEEEEEEEEEEASE HELP WITH SCALE FACTOR IF YOU KNOW!! I WILL MARK BRAINLIEST IF RIGHT!!! Explain!!!!!!!
garik1379 [7]

Answer:

The area is 256

Step-by-step explanation:

she forgot to square her scale factor because that's how you do it for area

5 0
3 years ago
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