Mathematics, 21.07.2019 08:00 coolfab9338
Let f(x) = -6x + 3 and g(x) = 5x + 4. find f*g and state its domain. -18x2 - 39x + 20; all real numbers except x = 1 -30x2 - 9x + 12; all real numbers -18x2 - 39x + 20; all real numbers -30x2 - 9x + 12; all real numbers except x = 4
Answer from: emilyarvin
1- getting f*g:
We are given that:
f (x) = -6x + 3
g (x) = 5x + 4
To get f*g, we will simply multiply the two functions as follows:
f (x) * g (x) = (-6x+3)(5x+4)
f (x) * g (x) = -30x² - 24x + 15x + 12
f (x) * g (x) = -30x² - 9x + 12
2- getting the domain:
The domain is all the values of x that can be used in the given equation.
In the equation calculated from part 1, we can note that all real numbers can be considered as the domain.
Hope this helps :)
We are given that:
f (x) = -6x + 3
g (x) = 5x + 4
To get f*g, we will simply multiply the two functions as follows:
f (x) * g (x) = (-6x+3)(5x+4)
f (x) * g (x) = -30x² - 24x + 15x + 12
f (x) * g (x) = -30x² - 9x + 12
2- getting the domain:
The domain is all the values of x that can be used in the given equation.
In the equation calculated from part 1, we can note that all real numbers can be considered as the domain.
Hope this helps :)
Answer from: Quest
The answer is the third choice
Answer from: Quest
answer: 94
step-by-step explanation: 79+91+92+94+94 = 450 divided by 5 (since there are 5 number that are being added) = 90
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