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katrin2010 [14]
3 years ago
14

Which of these is the standard form of the following function?

Mathematics
2 answers:
Nady [450]3 years ago
4 0

Answer:

A

Step-by-step explanation:

Given

f(x) = - 9(x + 5)² + 4 ← expand parenthesis using FOIL

     = - 9(x² + 10x + 25) + 4 ← distribute parenthesis by - 9

     = - 9x² - 90x - 225 + 4 ← collect like terms

     = - 9x² - 90x - 221 ← in standard form

lord [1]3 years ago
4 0

Answer: Bro write the question better

Step-by-step explanation:

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Answer:

Clara will reach more people in 40 phone calls.

Step-by-step explanation:

If Both of them had 40 phone calls you would divide 40 phone calls to how much they actually had. In this case for Clara  it's 40 divided by 10 which is 4, And then you have to multiply 4x4 which is 16. For Toby He had to divide 40 by 8 which is 5, and then multiply 3x5 which is 15. Therefore Clara had reached more phone calls then Toby.

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18 is the next number I hope this helps!
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3 years ago
The regular price of a calculator is $49.95 before taxes. It goes on sale at 20% below the regular price. Before taxes are added
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6 0
3 years ago
Determine the solution to f(x) = g(x) using the following system of equations: (5 points) f(x) = 3x − 23 g(x) = −4.5x + 7
jeka94

Answer:

(The solution is (4, -11).

Step-by-stp explanation:

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