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noname [10]
3 years ago
15

Find the minimum value of the function f (x) = 2x² + 11.4x + 18.5 to the nearest hundredth.

Mathematics
1 answer:
Maru [420]3 years ago
4 0

Answer:

2x^{2} + 11.4x + 18.5 ---> No Like Terms

Step-by-step explanation:

           

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If f(x) = 4x + k and f (2) = f (1), then calculate the value<br>of K.​
andrezito [222]

Answer:

-7

Step-by-step explanation:

given f(x)=4x+k

therfore, f(2)=4*2+k

we know that f(2) =1

so, 4*2+k=1

8+k=1

k=1-8

k=-7

8 0
3 years ago
What is the inverse of the function fx) x +3?
xz_007 [3.2K]
<span>My answer -
f(x)=x^3+2 To find the inverse function f(x)^-1 , we will assume" y=x^3+2 y-2= x^3 ==> x= (y-2)^1/3 ==> f(x)-1= (x-2)^1/3</span>
P.S

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6 0
3 years ago
I have an hour left to finish this exam plz help me qwq"
sergejj [24]

Answer:

B. 10    E. 20   C. 60

Step-by-step explanation:

s = 2f

t = 2(f + s)

(15 + 15 + 30 + f + s + t)/6 = 25       This equation and the equations above show how the variables relate to each other

f = 10               The first number is 10

s = 2(10)=20   The second number is 20

t = 2(10 + 20) = 60   The third number is 60

If these answers are correct, please make me Brainliest!

6 0
3 years ago
I need help with this, please. Any advice would be appreciated.
mote1985 [20]

Answer:

see explanation

Step-by-step explanation:

The sum to n terms of an arithmetic sequence is

S_{n} = \frac{n}{2} [ 2a₁ + (n - 1)d ]

where a₁ is the initial value and d the common difference

Given

S_{n} = \frac{n}{2} [ 10 + (n - 1)3 ]

Then by comparison

2a₁ = 10 ( divide both sides by 2 )

a₁ = 4 ← initial value

and d = 3 ← common difference

Thus

S_{8} = \frac{8}{2} [ 10 + (7 × 3) ]

   = 4(10 + 21)

   = 4 × 31

   = 124

8 0
3 years ago
SOMEONE PLS HELP THIS MAKES NO SENSE​
abruzzese [7]
I think it is B, since x goes right 4.5 times and y goes up 3 times.
3 0
3 years ago
Read 2 more answers
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