If f(x)= x^1/2 and g(x)= x - 4, what is the domain of f-g(x)?
f-g(x)= [0, ∞)
100
If f(x)= 2x + 3 and g(x)= x - 1, what is fg(x)?
fg(x)= 2x^2 + x - 3
100
If f(x) = x^1/2 and g(x) = x - 1, what is f of g(x)?
f of g(x) = (x - 1)^1/2
200
If f(x)= 5x+1/x^2 - 9 and g(x)= 4x-2/x^2 - 9, what is f/g(x)?
f/g(x)= 5x+1/4x+2
200
If f(x)= x - 5 and g(x)= 3x^2, what is f+g(x)?
f+g(x)= 3x^2 + x - 5
200
If f(x)= 5x+1/x^2 - 9 and g(x)= 4x-2/x^2 - 9, what is f-g(x)?
f-g(x)= 1 / x - 3
200
If f(x)= x - 5 and g(x)= 3x^2, what is fg(x)?
fg(x)= 3x^3 - 15x^2
200
If f(x)= 4x^2 + 3x + 8 and g(x)= 3x -4, what is g of f(x)?
g of f(x)= 12x^2 + 9x + 20
300
If f(x)= (x+4)^1/2 and g(x)=(x-1)^1/2, what is the domain of f/g(x)?
D: (1, ∞)
300
If f(x)= 2x^2 - x - 3 and g(x)= x + 1, what is the domain of f+g(x)?
D: (-∞, ∞)
300
If f(x)=(x-2)^1/2 and g(x)=(2-x)^1/2, what is the domain of f-g(x)?
D: {2}
300
What is fg(x) if f(x)= 2x - 1 and g(x)= x^2 + x - 2?
fg(x)= 2x^3 + x^2 - 5x + 2
300
If f(x)= 7 / x + 8 and g(x) = 4 / 5x, what is f of g (x)?
f o g (x) = 35x / 40x + 4
400
If f(x)=(x-2)^1/2 and g(x)=(2-x)^1/2, what is the domain of f/g(x)?
There is no domain.
400
If f(x)= 3 - x^2 and g(x)= x^2 + 2x - 15, what is f+g(x) and its domain?
f+g(x)= 2x - 12
D: (-∞, ∞)
400
If f(x)= (x+4)^1/2 and g(x)=(x-1)^1/2, what is f-g(x) and the domain?
f-g(x)= (x+4)^1/2 - (x-1)^1/2
D: [1, ∞)
400
True or false: The sum, difference, product and quotient of two equations tend to have the same domain.
False
400
If f(x)= 2x - 3 and g(x) = x + 3/ 2, what is f of g(2)?
f of g(2) = 2
500
If f(x)= 3-x^2 and g(x)=x^2+2x-15, what is the domain of f/g(x)?
D:(-∞, -5) U (-5,3) U (3,∞)
500
If f(x)= 5x+1/x^2 - 9 and g(x)= 4x-2/x^2 - 9, what is the domain of f+g(x)?
D: (-∞, -3) U (-3, 3) U (3, ∞)
500
If it costs a computer company a fixed cost of $60,000 and $45 per computer, what formula represents the money is the company making if the revenue is $65 per computer?
Revenue - Cost (x)= 20x - 60,000
500
True or false: If f and g are even functions, fg is an even function.
True
500
If f(x) = 2 / x + 3 and g(x) = 1 / x, what of the domain of f of g(x)?