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olga55 [171]
3 years ago
15

Can someone help please?!?

Mathematics
1 answer:
Over [174]3 years ago
3 0

Thanks 4 deleting my answer

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Let f(x) = -20x2 + 14x + 12 and g(x) = 5x - 6. Find f/g and state its domain.
UkoKoshka [18]

Solution

f(x) = -20x^{2} +14x + 12 and g(x) = 5x - 6.

(f/g)(x) = \frac{f(x)}{g(y)}

(f/g)(x) = \frac{-20x^{2}+14x +12 }{5x - 6}

<u>Step 1: </u>Now we have to factorize the numerator.

f(x) = -20x^2 + 14x + 12

Factor out -2, we get

= -2 (10x^2 - 7x - 6)

Now we can factorize 10x^2 - 7x - 6                  

f(x) = -2(2x + 1) (5x - 6)

<u>Step 2: </u>Plug in the factors

(f/g)(x) = \frac{-2 (2x +1)(5x - 6)}{(5x - 6)}

<u>Step 3:</u> Cancel out the common factor (5x - 6) from the numerator and the denominator, we get

(f/g)(x) = -2(2x +1) = -4x -2

Since -4x -2 is linear expression, the domain is all the real numbers.

Therefore, the answer is –4x – 2; all real numbers

Thank you :)

4 0
2 years ago
2. What is 9 squared. <br> a. 3<br> b. 81<br> C. 18<br> O d. 11
vitfil [10]

Answer:

81

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Determine how long it will take for $4000 to quadruple in a bank account earning 3.57% interest compounded continuously. Round t
tankabanditka [31]

Answer:

12 months, so 1 year

Step-by-step explanation:

5 0
2 years ago
Which of the following is a correct method for solving the equation x/5+4= -2 for x
wariber [46]

Answer: X=40

Step-by-step explanation:

7 0
3 years ago
List the following fractions from least to greatest 1/7 6/7 4/7 3/7
neonofarm [45]

Answer:

1/7, 3/7, 4/7, 6/7

Step-by-step explanation:

There's like denominators(bottom number) so you would list the numerators(top number) from least to greatest.

5 0
3 years ago
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