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viva [34]
4 years ago
12

What is the value of the function f(x)=2x^2+3 when x=2

Mathematics
1 answer:
kykrilka [37]4 years ago
4 0

2x2^2=8+3=11

11 is your answer I believe.

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PLEASE HELP ME !ASAP!!
podryga [215]

Solution :

First term, a₀ = -10 .

Common difference of A.P. , d = -8 - (-10) = 2 .

Last term, aₙ = 24 .

We know, last term is given by :

aₙ = a₀ + (n-1)d

24 = -10 + (n-1)×2

2n - 2 = 34

n = 18

Now, sum of series is given by :

S_n = \dfrac{n}{2} \times ( 2a+(n-1)d)\\\\S_n = \dfrac{18}{2} \times ( 2\times -10 + ( 18 -1) \times 2)\\\\S_n =  126

Hence, this is the required solution.

7 0
3 years ago
.. Explain how Christianity is internally diverse. ( i need at least a paragraph)
Oliga [24]
Christianity is internally diverse because within Christianity there are many dominations such as Catholic, Christianity or Pentecostal. They all are different dominations but they all have one thing in common worshipping and praising Jesus. although they may have some slightly different beliefs.
4 0
3 years ago
How many meters are in 30 cm
Dvinal [7]

Answer:

0.3

Step-by-step explanation:

the reason that 30 centimeters are 0.3 meters is because a meter per centimeter is 0.01 so multiplying that by 30 cm you will get 0.3.

8 0
3 years ago
F(x) = –3x2 – 7x<br> Find f(7)
Dominik [7]

Answer:

ez

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Is the ratio 4.2:1.5 proportional to the ratio12.6:4.5? Explain.
mote1985 [20]

Answer:

No

Step-by-step explanation:

All the numbers have to be multiplied by the same amount for it to be proportional

A proportional amount to 4:2:1:5 would be 12:6:3:15

They have all been multiplied by the same number 3

6 0
3 years ago
Read 2 more answers
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