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NeX [460]
3 years ago
8

Which represents a quadratic function? ​

Mathematics
2 answers:
algol133 years ago
5 0

Answer:

c) f(x)=-7x^{2} -x+2

Step-by-step explanation:

Hi there!

A function, when it comes to discussing the degree of a polynomial one. We classify them accordingly to the highest exponent.

f(x)=-3x+2 (1st degree since -3x=-3x¹)

f(x)=0x² +3x-3 well, 0x²=0 then f(x)=0x² +3x-3=f(x)=3x-3 (1st degree Linear function with b≠ 0)

f(x) =-7x²-x+2 (2nd degree -Quadratic Function)

f(x)=2x³+2x²-4 (3rd degree -Cubic Function)

So it's the third one from top to bottom, or c) f(x)=-7x²-x+2

netineya [11]3 years ago
3 0

Answer:

b is the answer

Step-by-step explanation:

f(x) = ax^2 + bx + c

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Question 1
vivado [14]

Answer:

33, 792

Step-by-step explanation:

first convert the 8 miles to feet because our answers are in feet.

1 mile= 5280 feet

therefore 8 miles= 5280×8

= 42240

Dale and son covered 4/5 of the 42240 feet

= 4/5×42240

= 33,782 feet

4 0
2 years ago
abby and her 5 friends went to a restaurant to buy sodas. if they bought 2 of each size soda which expression should be used to
I am Lyosha [343]
If they EACH bough 2 of EACH size soda, then it would be.

S: # of different sized sodas
P: Price of soda

5×2(S×P)

but if each sized sodas cost a different amount it would be

S: Price of first size
S2: Price of second size
S3: Price of third size
and so on.

5×2(S+S2+S3...)

but if they all together bought 2 of EACH size soda, then it is.

2(S×P)

but if each sized sodas cost a different amount it would be

S: Price of first size
S2: Price of second size
S3: Price of third size
and so on.

2(S+S2+S3...)
8 0
3 years ago
£245 £140 £525 £174 £195 £163 £140<br> what is the mode?
Blababa [14]

The mode is the number that repeats itself the most in a sequence. In this case, the mode will be £140 since it repeats itslef the most (2 times).


Hope it helped,


BioTeacher101

5 0
3 years ago
What adds to 5 and multiplies to -6
faust18 [17]
Your numbers would be 6 and -1
3 0
3 years ago
Read 2 more answers
Help please with Algebra
Musya8 [376]
1-2/3=1/3
1/3^2=1/9
1/9•1/4=1/36
1/36+1/3=13/36
13/36 is your answer
4 0
3 years ago
Read 2 more answers
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