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dangelovasquez32
01.11.2020 •
Mathematics
Find the value of x so that the function has the given value. You must show your work for each problem in your notebook to receive full credit.
1. f(x) = 6x+9; f(x) = 21
x = ?
2. g(x) = -1/2x + 3; g(x) = -1
x = ?
If you don't know the answer, then please don't answer at all. is meant to help others understand the material given. Thank you!
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Ответ:
Some functions in variable x is given to us. And the value of the polynomial in x is also given, we need to find the value of x in each case.
GiveN:
f(x) = 6x + 9, f(x) = 21g(x) = -1/2x + 3, g(x) = -1What to find?
We need to find the value of x in each case.Step-wise-Step Explanation:
1) f(x) = 6x + 9, f(x) = 21
⇒ f(x) = 21
⇒ 6x + 9 = 21
⇒ 6x = 12
⇒ x = 2
Value of x in this case is 2.
2) g(x) = -1/2 x + 3, g(x) = -1
⇒ g(x) = -1
⇒ -1/2 x + 3 = -1
⇒ -1/2 x = -4
⇒ 1/2 x = 4
⇒ x = 8
Value of x in this case is 8.
Ответ:
i got the answer right! thanks to this nice lady :)