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3 years ago

Identifya function and the use of function notation

1 answer:

8 0

Answer: Function notation is a simpler method of describing a function without a lengthy written explanation. The most frequently used function notation is f(x) which is read as “f” of “x”. In this case, the letter x, placed within the parentheses and the entire symbol f(x), stand for the domain set and range set respectively.

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Marquis has 7 cups of yogurt. He gives his sister 3 3

Varvara68 [4.7K]

Answer:

He has 3,65 cups of yogurt left.

Step-by-step explanation:

7 - 3,35 = 3,65

6 0

3 years ago

Celine ate brunch at a restaurant. The bill came to $72.80. If she left a 15% tip, what was the total cost of her brunch?

DedPeter [7]

Answer:

Step-by-step explanation:

Given the following

Initial Cost of the brunch = $72.80

Percentage tip = 15%

Tip paid = 15% of $72.60

Tip paid = 0.15 * 72.60

Tip paid = $10.89

Total cost of brunch = $72.80 + $10.89

Total cost of brunch = $83.69

<em>Hence the total cost of her brunch is $83.69</em>

7 0

3 years ago

.....................................

Mandarinka [93]

$\frac{5}{a + 3} = \frac{3}{a - 2}$

$5(a - 2) = 3(a + 3)$

$5a - 10 = 3a + 9$

$5a - 3a = 9 + 10$

$2a = 19$

$a = \frac{19}{2} = 9 \frac{1}{2}$

$Answer = D.) a = 9 \frac{1}{2}$

$\textbf{Spymore}$

4 0

4 years ago

Explain the rules for multiplication and division to convert units. How do you know when to multiply and when to divide to conve

Dima020 [189]

Well, units divide and multiply just like numbers. That's why Area is in units of distance squared (cm × cm = cm²) and volume is cubic distance (m × m × m = m³).

Likewise other mathematical operations can be performed on them, including division where they can cancel out of the equation.

For instance, a rate, speed, slope or conversion factor is usually one unit divided by another unit. Like so...

speed = 5 meters per second
$= \frac{5m}{1sec}$

If you are given a distance traveled, let's say 100 meters and asked to solve for time it takes to get there. You would divide by the speed so that meters cancel leaving only time.

** Of course to divide by a fraction is to flip and multiply so really you're just multiplying by it, making sure the same units are diagonal and cancel out like so:

$100 m * \frac{1sec}{5m} = 20 sec$

Hope this helps!

4 0

3 years ago

I will mark Brainiest (no links please)

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

Are the volumes equal? No, so throw out the first and the last one.

Is the volume of the pyramid greater than the volume of prism?

No, so throw out the third one

so by inspection it must be the remaining one

or mathematically

vol pyramid = (1/3)(base)(height)

vol prism = (base)(height)

vol pyramid / vol prism

(1/3)(base)(height) / (base)(height) = 1/3

6 0

3 years ago

Identifya function and the use of function notation​

Identifya function and the use of function notation