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elena-14-01-66 [18.8K]
3 years ago
8

!!!!!!!!!!!!Send help!!!!!!!!!

Mathematics
1 answer:
sweet [91]3 years ago
3 0

Answer:

C. y = x + 3

Use, desmos.com

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bagirrra123 [75]
B is the correct answer
3 0
3 years ago
The maximum value of the function: f(x)= -5 x ^2 +30x-200 is?
VARVARA [1.3K]

Answer:

\displaystyle    - 155

Step-by-step explanation:

we are given a quadratic function

\displaystyle f(x) =  - 5 {x}^{2}  + 30x - 200

we want to figure out the minimum value of the function

to do so we need to figure out the minimum value of x in the case we can consider the following formula:

\displaystyle x _{ \rm  min} =  \frac{ - b}{2a}

the given function is in the standard form i.e

\displaystyle f(x) = a {x}^{2}  + bx + c

so we acquire:

  • b=30
  • a=-5

thus substitute:

\displaystyle x _{ \rm  min} =  \frac{ - 30}{2. - 5}

simplify multiplication:

\displaystyle x _{ \rm  min} =  \frac{ - 30}{ - 10}

simply division:

\displaystyle x _{ \rm  min} =  3

plug in the value of minimum x to the given function:

\displaystyle f (3)=  - 5 {(3)}^{2}  + 30.3 - 200

simplify square:

\displaystyle f (3)=  - 5 {(9)}^{}  + 30.3 - 200

simplify multiplication:

\displaystyle f (3)=  - 45  + 90- 200

simplify:

\displaystyle f (3)=   - 155

hence,

the minimum value of the function is -155

5 0
3 years ago
What is scarerude of 90
lora16 [44]
Assuming you meant square root of 90 it would be

90 equals 3 times the square root of 10
√90 = 3√10


4 0
3 years ago
I live in United States and I want to move to Scotland I'm trying to understand the conversion of money I understand one US doll
NeTakaya
4400 because you multiply 5000 with 0.88 to get your answer.
4 0
3 years ago
Read 2 more answers
How are the values of the 3's in 33,000 related
Alenkinab [10]
In which place? Of the value one tens hunderd thousnd
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3 years ago
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