What is 8x cubed y to the second power -7x squared y + 8x+4 -6x cubed y squared + 2x squared y + 4x squared y -3x +5
1 answer:
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Answer:
x = -
Step-by-step explanation:
To find f(g(x)) substitute x = g(x) into f(x), that is
f(g(x))
= f(x + 1)
= 2(x + 1)² ← expand using FOIL
= 2(x² + 2x + 1) ← distribute
= 2x² + 4x + 2
To find g(f(x)) substitute x = f(x) into g(x), that is
g(f(x))
= g(2x²)
= 2x² + 1
----------------------------------------------------------
Equating gives
2x² + 4x + 2 = 2x² + 1 ( subtract 2x² + 1 from both sides )
4x + 1 = 0 ( subtract 1 from both sides )
4x = - 1 ( divide both sides by 4 )
x = -
The answer will be t = average daily temperature, t, in degrees Fahrenheit for a city as a function of the month of the year.
Temperature is the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
<h3>TO SOLVE:</h3>suppose and
degree
We know, cos(x+90°) = - sin(X)
⇒ degree = -
⇒ t =
Hence the answer will be t = average daily temperature, t, in degrees Fahrenheit for a city as a function of the month of the year.
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