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leonid [27]
3 years ago
11

Let f(x)=3x^2+x-3 and g(x)=x^2-5x+1. Find f(x)-g(x)

Mathematics
2 answers:
serg [7]3 years ago
7 0

Answer:

2x^{2}  + 6x - 4

Step-by-step explanation:

(3x^{2}  + x - 3) - (x^{2}  - 5x + 1) \\ 3x^{2}  + x - 3 - x^{2}  + 5x - 1 \\ combine\: like \: terms \\ 2x^{2}  + 6x - 4

notsponge [240]3 years ago
5 0

Subtract each term of g(x) from each corresponding term of f(x)

3x^2 - x^2 = 2x^2

X—5x = x +5x = 6x

-3 -1 =-4

Now combine them to get final answer:

2x^2 + 6x -4

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Jay had 6 times as much money as Kay. Then Jay gave Kay $33. Jay now has twice as much money as Kay. How much did they each star
timofeeve [1]

Answer:

Jay started with $148.5 and Kay with $24.75.

Step-by-step explanation:

With the information provided you know that Jay had 6 times as much money as Kay wich can be expressed as:

J=6K, where

J is the money Jay had

K is the money Kay had

Also, you know that  Jay gave Kay $33 and Jay now has twice as much money as Kay, which would be:

J-33=2(K+33)

Now, you can replace J=6K in this equation and solve for K:

6K-33=2K+66

6K-2K=66+33

4K=66

K=24.75

Then, you can replace the value of K in J=6K:

J=6*24.75

J=148.5

According to this, the answer is that Jay started with $148.5 and Kay with $24.75.

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