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Studentka2010 [4]
3 years ago
8

Which graph is a function, and explain how you knew whether each graph was a function or not.

Mathematics
1 answer:
romanna [79]3 years ago
7 0
C is a function. You can tell easily by doing the vertical line test. Put your finger pen pencil, etc. up to the graph vertically and see if at any point it touches more than one point at once. If it doesn't, it's a function.
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3. Living things can weather and erode the Earth. Which statement is true? m
erastova [34]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
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Suppose you buy a CD for $500 that earns 2.5% APR and is compounded quarterly. The CD matures in 3 years. How much will this CD
Ilya [14]
We're going to use the compounded intrest formula:

A = P(1+\frac{r}{n})^{nt}

Where P is the initial cost
r is the rate as a decimal
n is the amount per year that you invest the rate
t is the amount of time at which you're checking how much it's worth (yrs)

Using this information, we can use:

A = 500(1+\frac{0.025}{4})^{3*4} \approx 538.82

So your answer will be B.
5 0
3 years ago
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What are the zeros of the polynomial function f(x) = x3 − 2x2 − 24x?
Morgarella [4.7K]

Answer:

x = 0, x = -4, and x = 6

Step-by-step explanation:

To find the zeros of this polynomial, we can begin by factoring out a common factor of each term. 'x' is a common factor. We can distribute this variable out, giving us:

f(x) = x(x²- 2x- 24)

Now, factor the polynomial inside of the parenthesis into its simplest form. Factors of -24 that add up to -2 are -4 and 6.

f(x) = x( x + 4) (x - 6)

From this, we can derive the zeros x = 0, x = -4 and x = 6.

4 0
3 years ago
PLZ HELP ME
Burka [1]
Adam has 60 dollars after the split. You then add 50 to that for finding money in the road, so he now has $110. Hope this helps!
7 0
3 years ago
Jabary is thinking of 3 numbers the greatest number is twice as large as the least number the middle number is 3 more than the l
antiseptic1488 [7]
A + b +c = 75; where a is the greatest number; b is the middle number; c is the least number;

a = 2 * c;

b = 3 + c;

then, 2 * c + 3 + c + c = 75 => 4 * c = 72 => c = 72 / 4 => c = 18 => a = 2 * 18 => a = 36; b = 3 + 18 => b = 21;


3 0
3 years ago
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