Kayla R.
asked • 10/21/20Algebra Functions
If f(x)= - x2 +6x - 1 and g(x)=3x2 - 4x -1, find (f-g)(x)
how do I solve this?
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2 Answers By Expert Tutors
William W. answered • 10/21/20
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Math and science made easy - learn from a retired engineer
(f - g)(x) means f(x) - g(x) and since f(x) is -x2 + 6x - 1 and g(x) is 3x2 - 4x - 1 then f(x) - g(x) is (-x2 + 6x - 1) - (3x2 - 4x - 1) = (by distributing the "-") = -x2 + 6x - 1 - 3x2 + 4x + 1 = -4x2 + 10x
Theresa E. answered • 10/21/20
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New to Wyzant
Certified MEd TX Educator Specializing in Math, GT, & 2E students
https://www.purplemath.com/modules/fcnops.htm
https://www.youtube.com/watch?v=8Cpe21-kYrQ
https://www.youtube.com/watch?v=kQfNsIR5yIk
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Cornelius A.
This problem cannot be solved...but simplified.10/21/20