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larisa86 [58]
1 year ago
13

Which equality represents y = 3x² + 2 written in function notation?f(y) = 3x2 + 2O f(x) = 3x² + 2Of(3) = x2 + 2of(2) = 3x2

Mathematics
1 answer:
Viktor [21]1 year ago
5 0

In function notation, we write f(x) when x is the input or independent variable.

In this case, x is the independent variable and y is teh dependent variable (y =f(x)).

Then, the right way to write this equality in function notation is f(x)=3x²+2

You might be interested in
What decimal is equivalent to 10/11
marta [7]
.90909...... repeated

5 0
3 years ago
Cantaloupes are on sale at four different stores. Which store offers the lowest unit rate for cantaloupes, in dollars per pound?
dusya [7]

Given :

Fresh Farm: $4.50 for 5 lbs

Fruit Garden: $1/5 for 1/3 lb

Mother Nature: $4 for 5 lbs

Country Market: $0.85 per pound

To Find :

Which store offers the lowest unit rate for cantaloupes, in dollars per pound.

Solution :

Dollar per pound of each store :

Fresh Farm : 4.50/5 = $0.9 per pound

Fruit Garden: (1/5)/(1/3) = $0.6 per pound

Mother Nature: 4/5 = $0.8 per pound

Country Market: $0.85 per pound

From above we can see that Fruit Garden offers lowest unit rate.

Hence, this is the required solution.

7 0
3 years ago
Wheeler Company can produce a product that incurs the following costs per unit: direct materials, $10.30; direct labor, $24.30,
salantis [7]

Answer:

Incremental cost of buying = $2.50

Step-by-step explanation:

Cost per unit;

Direct materials = $10.30

Direct labor = $24.30

Overhead = $16.30

Total Overhead cost = 10.30 + 24.30 + 16.30

                                  = $50.90

Where the item is purchased,

Total cost = $46.88 + (40% × 16.30)

                = $46.88 + $6.52

                = $53.40

Cost difference = $53.40 - $50.90

                          = $2.50

There is an incremental cost of buying. This amounts to $2.50

7 0
3 years ago
Tomika uses 619 inches of wire to make a necklace and 313 inches of wire to make a bracelet.
Lisa [10]

Answer:

2,796.

Step-by-step explanation:

First, I added 619 + 313, which is 932. Since she is able to use more, I multiplied it by two to get me 1,864. If I tried multiplying it by three, I would get 2,796, which is a perfect amount.  

4 0
2 years ago
Airline fares for a flight from Dallas to Austin are $30 for first class and $25 for tourist class. If a flight had 52 passenger
posledela

There were 40 tourist class passengers and 12 first class passengers.  

Explanation:

Let the number of passengers who booked for tourist class be

=

x

Then, number of passengers who booked for first class

=

52

−

x

According to question,

Total money paid = $25(tourist class)+$30(first class)  

$

1360

=

$

25

(

x

)

+

$

30

(

52

−

x

)

1360

=

25

x

+

1560

−

30

x

1360

−

1560

=

25

x

−

30

x

−

200

=

−

5

x

x

=

−

200

−

5

x

=

40

So, there were 40 tourist class passengers.

Now first class passengers

=

52

−

x

=

52

−

40

=

12

∴

There were 40 tourist class passengers and 12 first class passengers.  

As a check

Total money paid = $25(tourist class)+$30(first class)  

R

H

S

=

$

25

(

40

)

+

$

30

(

12

)

$

1000

+

$

360

=

$

1360

L

H

S

=

$

1360

Hence verified.

8 0
3 years ago
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