Mathematics, 06.02.2022 14:40, josecito
1. Let f(x) = 2x^+x-3 and g(x) = x-1 preform the indicated operation, then find the domain.
(f-g)(x)
a. x^2 -4 ; domain: positive real numbers
b. 2x^2-4 ; domain: all real numbers
c. x^2-4 ; domain: all real numbers
d. 2x^2-2 ; domain all real numbers
2. Let f(x) = 2x^2 + x -3 and g(x) = x-1 preform the indicated operation, then find the domain.
a. 2x^3 - x^2 - 4x+3; domain: all real numbers
b. 2x^3 + x^2 - 3x ; domain: all real numbers
c. 2x^3 + x^2 + 4x-3 ; domain: negative real numbers
d. 2x^2+x-3x+3
3. let f(c) = 2x^2 + x -3 and g(x) = x -1. Perfrom the indicated operation, then find the domain.
a. 1/2x+3; domain: all real numbers except x = -3/2
b. 2x+3; domain: all real numbers
c. 2x^2+3 domain: all real numbers
d. 2x+3; domain: all real numbers except x = 1
Answers: 1
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1. Let f(x) = 2x^+x-3 and g(x) = x-1 preform the indicated operation, then find the domain.
(f-g)(...
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