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lidiya [134]
3 years ago
6

Given g(x)=0.5x^2-5x+3.5, find g (4a)

Mathematics
1 answer:
grigory [225]3 years ago
4 0

Answer:

  g(4a) = 8a^2 -20a +3.5

Step-by-step explanation:

Put 4a where x is and simplify.

  g(x) = 0.5x^2 -5x +3.5

  g(4a) = 0.5(4a)^2 -5(4a) +3.5

     = 0.5(16a^2) -20a +3.5

  g(4a) = 8a^2 -20a +3.5

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A bag of corn tortilla chips costs 2.89 after a 15% discount. What is the original price?
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Answer:

3.4

Step-by-step explanation:

Let the original price of the bag be = P, the selling price =2.89 after a 15% discount,

Then, Selling price= Original price- Discount on original price

2.89=P-P(0.15)

2.89=P(1-0.15)

2.89=0.85P

P=\frac{2.89}{0.85}

P=3.4

Thus, the original price was 3.4.

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2 years ago
Is the relationship linear, exponential, or neither?
kati45 [8]

Answer:

Neither linear nor exponential

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To check for a linear relationship.  Find slope.

slope=  (-1  -  (-2)) / ( 5 - 2)  = 1/3

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slope = (4 - 1) / (11 - 8) = 3/ 3 = 1

Nope.

try assuming an exponential:

y = c * (a^x)

-2 =  c* (a^2);    -2/c = a^2

-1 = c *(a ^5);    -1/c = a^5

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so...

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-2 = a^2  + k

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3 years ago
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1/3(6x-12y)
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